Rename UnloadedToolchainContextKey to ToolchainContextKey.

Cleanup leading to toolchain transitions, #10523.

Closes #11336.

PiperOrigin-RevId: 311112930
diff --git a/src/test/java/com/google/devtools/build/lib/analysis/util/BUILD b/src/test/java/com/google/devtools/build/lib/analysis/util/BUILD
index 8678905..d241ca4 100644
--- a/src/test/java/com/google/devtools/build/lib/analysis/util/BUILD
+++ b/src/test/java/com/google/devtools/build/lib/analysis/util/BUILD
@@ -104,9 +104,9 @@
         "//src/main/java/com/google/devtools/build/lib/skyframe:sky_functions",
         "//src/main/java/com/google/devtools/build/lib/skyframe:skyframe_cluster",
         "//src/main/java/com/google/devtools/build/lib/skyframe:target_pattern_phase_value",
+        "//src/main/java/com/google/devtools/build/lib/skyframe:toolchain_context_key",
         "//src/main/java/com/google/devtools/build/lib/skyframe:toolchain_exception",
         "//src/main/java/com/google/devtools/build/lib/skyframe:unloaded_toolchain_context",
-        "//src/main/java/com/google/devtools/build/lib/skyframe:unloaded_toolchain_context_key",
         "//src/main/java/com/google/devtools/build/lib/skyframe/packages:PackageFactoryBuilderWithSkyframeForTesting",
         "//src/main/java/com/google/devtools/build/lib/util",
         "//src/main/java/com/google/devtools/build/lib/util:filetype",
diff --git a/src/test/java/com/google/devtools/build/lib/analysis/util/BuildViewForTesting.java b/src/test/java/com/google/devtools/build/lib/analysis/util/BuildViewForTesting.java
index 60c85e7..2badb26 100644
--- a/src/test/java/com/google/devtools/build/lib/analysis/util/BuildViewForTesting.java
+++ b/src/test/java/com/google/devtools/build/lib/analysis/util/BuildViewForTesting.java
@@ -84,9 +84,9 @@
 import com.google.devtools.build.lib.skyframe.SkyframeBuildView;
 import com.google.devtools.build.lib.skyframe.SkyframeExecutor;
 import com.google.devtools.build.lib.skyframe.TargetPatternPhaseValue;
+import com.google.devtools.build.lib.skyframe.ToolchainContextKey;
 import com.google.devtools.build.lib.skyframe.ToolchainException;
 import com.google.devtools.build.lib.skyframe.UnloadedToolchainContext;
-import com.google.devtools.build.lib.skyframe.UnloadedToolchainContextKey;
 import com.google.devtools.build.lib.syntax.EvalException;
 import com.google.devtools.build.lib.util.OrderedSetMultimap;
 import com.google.devtools.build.skyframe.SkyKey;
@@ -501,31 +501,31 @@
     SkyFunctionEnvironmentForTesting skyfunctionEnvironment =
         skyframeExecutor.getSkyFunctionEnvironmentForTesting(eventHandler);
 
-    Map<String, UnloadedToolchainContextKey> unloadedToolchainContextKeys = new HashMap<>();
+    Map<String, ToolchainContextKey> toolchainContextKeys = new HashMap<>();
     for (Map.Entry<String, ExecGroup> execGroup : execGroups.entrySet()) {
-      unloadedToolchainContextKeys.put(
+      toolchainContextKeys.put(
           execGroup.getKey(),
-          UnloadedToolchainContextKey.key()
+          ToolchainContextKey.key()
               .configurationKey(BuildConfigurationValue.key(targetConfig))
               .requiredToolchainTypeLabels(execGroup.getValue().getRequiredToolchains())
               .build());
     }
     String targetUnloadedToolchainContextKey = "target-unloaded-toolchain-context";
-    unloadedToolchainContextKeys.put(
+    toolchainContextKeys.put(
         targetUnloadedToolchainContextKey,
-        UnloadedToolchainContextKey.key()
+        ToolchainContextKey.key()
             .configurationKey(BuildConfigurationValue.key(targetConfig))
             .requiredToolchainTypeLabels(requiredToolchains)
             .build());
 
     Map<SkyKey, ValueOrException<ToolchainException>> values =
         skyfunctionEnvironment.getValuesOrThrow(
-            unloadedToolchainContextKeys.values(), ToolchainException.class);
+            toolchainContextKeys.values(), ToolchainException.class);
 
     ToolchainCollection.Builder<UnloadedToolchainContext> unloadedToolchainContexts =
         new ToolchainCollection.Builder<>();
-    for (Map.Entry<String, UnloadedToolchainContextKey> unloadedToolchainContextKey :
-        unloadedToolchainContextKeys.entrySet()) {
+    for (Map.Entry<String, ToolchainContextKey> unloadedToolchainContextKey :
+        toolchainContextKeys.entrySet()) {
       UnloadedToolchainContext unloadedToolchainContext =
           (UnloadedToolchainContext) values.get(unloadedToolchainContextKey.getValue()).get();
       String execGroup = unloadedToolchainContextKey.getKey();
diff --git a/src/test/java/com/google/devtools/build/lib/skyframe/BUILD b/src/test/java/com/google/devtools/build/lib/skyframe/BUILD
index d030cab..81d147e 100644
--- a/src/test/java/com/google/devtools/build/lib/skyframe/BUILD
+++ b/src/test/java/com/google/devtools/build/lib/skyframe/BUILD
@@ -225,7 +225,7 @@
         "//src/main/java/com/google/devtools/build/lib/skyframe:transitive_traversal_value",
         "//src/main/java/com/google/devtools/build/lib/skyframe:tree_artifact_value",
         "//src/main/java/com/google/devtools/build/lib/skyframe:unloaded_toolchain_context",
-        "//src/main/java/com/google/devtools/build/lib/skyframe:unloaded_toolchain_context_key",
+        "//src/main/java/com/google/devtools/build/lib/skyframe:toolchain_context_key",
         "//src/main/java/com/google/devtools/build/lib/skyframe:workspace_ast_value",
         "//src/main/java/com/google/devtools/build/lib/skyframe:workspace_name_value",
         "//src/main/java/com/google/devtools/build/lib/skyframe/serialization",
diff --git a/src/test/java/com/google/devtools/build/lib/skyframe/ToolchainResolutionFunctionTest.java b/src/test/java/com/google/devtools/build/lib/skyframe/ToolchainResolutionFunctionTest.java
index 02d8c04..4161f47 100644
--- a/src/test/java/com/google/devtools/build/lib/skyframe/ToolchainResolutionFunctionTest.java
+++ b/src/test/java/com/google/devtools/build/lib/skyframe/ToolchainResolutionFunctionTest.java
@@ -66,8 +66,8 @@
         "register_execution_platforms('//platforms:mac', '//platforms:linux')");
 
     useConfiguration("--platforms=//platforms:linux");
-    UnloadedToolchainContextKey key =
-        UnloadedToolchainContextKey.key()
+    ToolchainContextKey key =
+        ToolchainContextKey.key()
             .configurationKey(targetConfigKey)
             .requiredToolchainTypeLabels(testToolchainTypeLabel)
             .build();
@@ -110,8 +110,8 @@
         "alias/BUILD", "alias(name = 'toolchain_type', actual = '//toolchain:test_toolchain')");
 
     useConfiguration("--platforms=//platforms:linux");
-    UnloadedToolchainContextKey key =
-        UnloadedToolchainContextKey.key()
+    ToolchainContextKey key =
+        ToolchainContextKey.key()
             .configurationKey(targetConfigKey)
             .requiredToolchainTypeLabels(aliasedToolchainTypeLabel)
             .build();
@@ -142,8 +142,7 @@
     rewriteWorkspace("register_execution_platforms('//platforms:mac', '//platforms:linux')");
 
     useConfiguration("--host_platform=//host:host", "--platforms=//platforms:linux");
-    UnloadedToolchainContextKey key =
-        UnloadedToolchainContextKey.key().configurationKey(targetConfigKey).build();
+    ToolchainContextKey key = ToolchainContextKey.key().configurationKey(targetConfigKey).build();
 
     EvaluationResult<UnloadedToolchainContext> result = invokeToolchainResolution(key);
 
@@ -178,8 +177,8 @@
         "    '//sample:sample_a', '//sample:sample_b')");
 
     useConfiguration("--host_platform=//host:host", "--platforms=//platforms:linux");
-    UnloadedToolchainContextKey key =
-        UnloadedToolchainContextKey.key()
+    ToolchainContextKey key =
+        ToolchainContextKey.key()
             .configurationKey(targetConfigKey)
             .execConstraintLabels(Label.parseAbsoluteUnchecked("//sample:demo_b"))
             .build();
@@ -205,8 +204,8 @@
   public void resolve_unavailableToolchainType_single() throws Exception {
     scratch.file("fake/toolchain/BUILD", "");
     useConfiguration("--host_platform=//platforms:linux", "--platforms=//platforms:mac");
-    UnloadedToolchainContextKey key =
-        UnloadedToolchainContextKey.key()
+    ToolchainContextKey key =
+        ToolchainContextKey.key()
             .configurationKey(targetConfigKey)
             .requiredToolchainTypeLabels(
                 testToolchainTypeLabel, Label.parseAbsoluteUnchecked("//fake/toolchain:type_1"))
@@ -229,8 +228,8 @@
   public void resolve_unavailableToolchainType_multiple() throws Exception {
     scratch.file("fake/toolchain/BUILD", "");
     useConfiguration("--host_platform=//platforms:linux", "--platforms=//platforms:mac");
-    UnloadedToolchainContextKey key =
-        UnloadedToolchainContextKey.key()
+    ToolchainContextKey key =
+        ToolchainContextKey.key()
             .configurationKey(targetConfigKey)
             .requiredToolchainTypeLabels(
                 testToolchainTypeLabel,
@@ -251,8 +250,8 @@
   public void resolve_invalidTargetPlatform_badTarget() throws Exception {
     scratch.file("invalid/BUILD", "filegroup(name = 'not_a_platform')");
     useConfiguration("--platforms=//invalid:not_a_platform");
-    UnloadedToolchainContextKey key =
-        UnloadedToolchainContextKey.key()
+    ToolchainContextKey key =
+        ToolchainContextKey.key()
             .configurationKey(targetConfigKey)
             .requiredToolchainTypeLabels(testToolchainTypeLabel)
             .build();
@@ -277,8 +276,8 @@
   public void resolve_invalidTargetPlatform_badPackage() throws Exception {
     scratch.resolve("invalid").delete();
     useConfiguration("--platforms=//invalid:not_a_platform");
-    UnloadedToolchainContextKey key =
-        UnloadedToolchainContextKey.key()
+    ToolchainContextKey key =
+        ToolchainContextKey.key()
             .configurationKey(targetConfigKey)
             .requiredToolchainTypeLabels(testToolchainTypeLabel)
             .build();
@@ -301,8 +300,8 @@
   public void resolve_invalidHostPlatform() throws Exception {
     scratch.file("invalid/BUILD", "filegroup(name = 'not_a_platform')");
     useConfiguration("--host_platform=//invalid:not_a_platform");
-    UnloadedToolchainContextKey key =
-        UnloadedToolchainContextKey.key()
+    ToolchainContextKey key =
+        ToolchainContextKey.key()
             .configurationKey(targetConfigKey)
             .requiredToolchainTypeLabels(testToolchainTypeLabel)
             .build();
@@ -325,8 +324,8 @@
   public void resolve_invalidExecutionPlatform() throws Exception {
     scratch.file("invalid/BUILD", "filegroup(name = 'not_a_platform')");
     useConfiguration("--extra_execution_platforms=//invalid:not_a_platform");
-    UnloadedToolchainContextKey key =
-        UnloadedToolchainContextKey.key()
+    ToolchainContextKey key =
+        ToolchainContextKey.key()
             .configurationKey(targetConfigKey)
             .requiredToolchainTypeLabels(testToolchainTypeLabel)
             .build();
@@ -366,8 +365,8 @@
         "register_execution_platforms('//platforms:mac', '//platforms:linux')");
 
     useConfiguration("--platforms=//platforms:linux");
-    UnloadedToolchainContextKey key =
-        UnloadedToolchainContextKey.key()
+    ToolchainContextKey key =
+        ToolchainContextKey.key()
             .configurationKey(targetConfigKey)
             .requiredToolchainTypeLabels(testToolchainTypeLabel)
             .execConstraintLabels(Label.parseAbsoluteUnchecked("//constraints:linux"))
@@ -395,8 +394,8 @@
 
   @Test
   public void resolve_execConstraints_invalid() throws Exception {
-    UnloadedToolchainContextKey key =
-        UnloadedToolchainContextKey.key()
+    ToolchainContextKey key =
+        ToolchainContextKey.key()
             .configurationKey(targetConfigKey)
             .requiredToolchainTypeLabels(testToolchainTypeLabel)
             .execConstraintLabels(Label.parseAbsoluteUnchecked("//platforms:linux"))
@@ -447,8 +446,8 @@
         "register_execution_platforms('//platforms:mac', '//platforms:linux')");
 
     useConfiguration("--platforms=//platforms:linux");
-    UnloadedToolchainContextKey key =
-        UnloadedToolchainContextKey.key()
+    ToolchainContextKey key =
+        ToolchainContextKey.key()
             .configurationKey(targetConfigKey)
             .requiredToolchainTypeLabels(
                 Label.parseAbsoluteUnchecked("//a:toolchain_type_A"),