Move DummyCppInclude{Extraction,Scanning}Context to top-level classes

Reduce usage of ActionContextProvider.

PiperOrigin-RevId: 220236944
diff --git a/src/main/java/com/google/devtools/build/lib/standalone/DummyCppIncludeExtractionContext.java b/src/main/java/com/google/devtools/build/lib/standalone/DummyCppIncludeExtractionContext.java
new file mode 100644
index 0000000..f8a6000
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/standalone/DummyCppIncludeExtractionContext.java
@@ -0,0 +1,54 @@
+// Copyright 2018 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package com.google.devtools.build.lib.standalone;
+
+import com.google.devtools.build.lib.actions.Action;
+import com.google.devtools.build.lib.actions.ActionExecutionContext;
+import com.google.devtools.build.lib.actions.Artifact;
+import com.google.devtools.build.lib.actions.ArtifactResolver;
+import com.google.devtools.build.lib.actions.ExecutionStrategy;
+import com.google.devtools.build.lib.rules.cpp.CppIncludeExtractionContext;
+import com.google.devtools.build.lib.runtime.CommandEnvironment;
+import com.google.devtools.build.lib.vfs.FileSystemUtils;
+import java.io.IOException;
+
+/**
+ * An IncludeExtractionContext that does nothing. Since local execution does not need to discover
+ * inclusion in advance, we do not need include scanning.
+ */
+@ExecutionStrategy(contextType = CppIncludeExtractionContext.class)
+class DummyCppIncludeExtractionContext implements CppIncludeExtractionContext {
+  private final CommandEnvironment env;
+
+  public DummyCppIncludeExtractionContext(CommandEnvironment env) {
+    this.env = env;
+  }
+
+  @Override
+  public void extractIncludes(
+      ActionExecutionContext actionExecutionContext,
+      Action resourceOwner,
+      Artifact primaryInput,
+      Artifact primaryOutput,
+      Artifact grepIncludes)
+      throws IOException {
+    FileSystemUtils.writeContent(
+        actionExecutionContext.getInputPath(primaryOutput), new byte[] {});
+  }
+
+  @Override
+  public ArtifactResolver getArtifactResolver() {
+    return env.getSkyframeBuildView().getArtifactFactory();
+  }
+}
diff --git a/src/main/java/com/google/devtools/build/lib/standalone/DummyCppIncludeScanningContext.java b/src/main/java/com/google/devtools/build/lib/standalone/DummyCppIncludeScanningContext.java
new file mode 100644
index 0000000..924ce27
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/standalone/DummyCppIncludeScanningContext.java
@@ -0,0 +1,38 @@
+// Copyright 2018 The Bazel Authors. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+package com.google.devtools.build.lib.standalone;
+
+import com.google.devtools.build.lib.actions.ActionExecutionContext;
+import com.google.devtools.build.lib.actions.ActionExecutionException;
+import com.google.devtools.build.lib.actions.Artifact;
+import com.google.devtools.build.lib.actions.ExecException;
+import com.google.devtools.build.lib.actions.ExecutionStrategy;
+import com.google.devtools.build.lib.rules.cpp.CppCompileAction;
+import com.google.devtools.build.lib.rules.cpp.CppIncludeScanningContext;
+import com.google.devtools.build.lib.rules.cpp.IncludeProcessing;
+import javax.annotation.Nullable;
+
+/** A CppIncludeScanningContext that does nothing. */
+@ExecutionStrategy(contextType = CppIncludeScanningContext.class)
+class DummyCppIncludeScanningContext implements CppIncludeScanningContext {
+  @Override
+  @Nullable
+  public Iterable<Artifact> findAdditionalInputs(
+      CppCompileAction action,
+      ActionExecutionContext actionExecutionContext,
+      IncludeProcessing includeProcessing)
+      throws ExecException, InterruptedException, ActionExecutionException {
+    return null;
+  }
+}
diff --git a/src/main/java/com/google/devtools/build/lib/standalone/DummyIncludeScanningContextProvider.java b/src/main/java/com/google/devtools/build/lib/standalone/DummyIncludeScanningContextProvider.java
deleted file mode 100644
index f42903a..0000000
--- a/src/main/java/com/google/devtools/build/lib/standalone/DummyIncludeScanningContextProvider.java
+++ /dev/null
@@ -1,90 +0,0 @@
-// Copyright 2018 The Bazel Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//    http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-package com.google.devtools.build.lib.standalone;
-
-import com.google.common.collect.ImmutableList;
-import com.google.devtools.build.lib.actions.Action;
-import com.google.devtools.build.lib.actions.ActionContext;
-import com.google.devtools.build.lib.actions.ActionExecutionContext;
-import com.google.devtools.build.lib.actions.ActionExecutionException;
-import com.google.devtools.build.lib.actions.Artifact;
-import com.google.devtools.build.lib.actions.ArtifactResolver;
-import com.google.devtools.build.lib.actions.ExecException;
-import com.google.devtools.build.lib.actions.ExecutionStrategy;
-import com.google.devtools.build.lib.exec.ActionContextProvider;
-import com.google.devtools.build.lib.rules.cpp.CppCompileAction;
-import com.google.devtools.build.lib.rules.cpp.CppIncludeExtractionContext;
-import com.google.devtools.build.lib.rules.cpp.CppIncludeScanningContext;
-import com.google.devtools.build.lib.rules.cpp.IncludeProcessing;
-import com.google.devtools.build.lib.runtime.CommandEnvironment;
-import com.google.devtools.build.lib.vfs.FileSystemUtils;
-import java.io.IOException;
-import javax.annotation.Nullable;
-
-/**
- * Provide a standalone, local execution context.
- */
-public class DummyIncludeScanningContextProvider extends ActionContextProvider {
-
-  /**
-   * An IncludeExtractionContext that does nothing. Since local execution does not need to discover
-   * inclusion in advance, we do not need include scanning.
-   */
-  @ExecutionStrategy(contextType = CppIncludeExtractionContext.class)
-  class DummyCppIncludeExtractionContext implements CppIncludeExtractionContext {
-    @Override
-    public void extractIncludes(
-        ActionExecutionContext actionExecutionContext,
-        Action resourceOwner,
-        Artifact primaryInput,
-        Artifact primaryOutput,
-        Artifact grepIncludes)
-        throws IOException {
-      FileSystemUtils.writeContent(
-          actionExecutionContext.getInputPath(primaryOutput), new byte[] {});
-    }
-
-    @Override
-    public ArtifactResolver getArtifactResolver() {
-      return env.getSkyframeBuildView().getArtifactFactory();
-    }
-  }
-
-  /** A CppIncludeScanningContext that does nothing. */
-  @ExecutionStrategy(contextType = CppIncludeScanningContext.class)
-  static class DummyCppIncludeScanningContext implements CppIncludeScanningContext {
-    @Override
-    @Nullable
-    public Iterable<Artifact> findAdditionalInputs(
-        CppCompileAction action,
-        ActionExecutionContext actionExecutionContext,
-        IncludeProcessing includeProcessing)
-        throws ExecException, InterruptedException, ActionExecutionException {
-      return null;
-    }
-  }
-
-  private final CommandEnvironment env;
-
-  public DummyIncludeScanningContextProvider(CommandEnvironment env) {
-    this.env = env;
-  }
-
-  @Override
-  public Iterable<? extends ActionContext> getActionContexts() {
-    return ImmutableList.of(
-        new DummyCppIncludeExtractionContext(),
-        new DummyCppIncludeScanningContext());
-  }
-}
diff --git a/src/main/java/com/google/devtools/build/lib/standalone/StandaloneModule.java b/src/main/java/com/google/devtools/build/lib/standalone/StandaloneModule.java
index 4c8631d..1393c20 100644
--- a/src/main/java/com/google/devtools/build/lib/standalone/StandaloneModule.java
+++ b/src/main/java/com/google/devtools/build/lib/standalone/StandaloneModule.java
@@ -44,7 +44,8 @@
   @Override
   public void executorInit(CommandEnvironment env, BuildRequest request, ExecutorBuilder builder) {
     // TODO(ulfjack): Move this to another module.
-    builder.addActionContextProvider(new DummyIncludeScanningContextProvider(env));
+    builder.addActionContext(new DummyCppIncludeExtractionContext(env));
+    builder.addActionContext(new DummyCppIncludeScanningContext());
 
     ExecutionOptions executionOptions = env.getOptions().getOptions(ExecutionOptions.class);
     Path testTmpRoot =