Update from Google.

--
MOE_MIGRATED_REVID=85702957
diff --git a/src/main/java/com/google/devtools/build/lib/pkgcache/LoadingPhaseCompleteEvent.java b/src/main/java/com/google/devtools/build/lib/pkgcache/LoadingPhaseCompleteEvent.java
new file mode 100644
index 0000000..19c22ec
--- /dev/null
+++ b/src/main/java/com/google/devtools/build/lib/pkgcache/LoadingPhaseCompleteEvent.java
@@ -0,0 +1,86 @@
+// Copyright 2014 Google Inc. 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.pkgcache;
+
+import com.google.common.base.Function;
+import com.google.common.collect.Iterables;
+import com.google.devtools.build.lib.packages.Target;
+import com.google.devtools.build.lib.syntax.Label;
+
+import java.util.Collection;
+
+/**
+ * This event is fired after the loading phase is complete.
+ */
+public class LoadingPhaseCompleteEvent {
+  private final Collection<Target> targets;
+  private final Collection<Target> filteredTargets;
+  private final PackageManager.PackageManagerStatistics pkgManagerStats;
+  private final long timeInMs;
+
+  /**
+   * Construct the event.
+   *
+   * @param targets the set of active targets that remain
+   * @param pkgManagerStats statistics about the package cache
+   */
+  public LoadingPhaseCompleteEvent(Collection<Target> targets, Collection<Target> filteredTargets,
+      PackageManager.PackageManagerStatistics pkgManagerStats, long timeInMs) {
+    this.targets = targets;
+    this.filteredTargets = filteredTargets;
+    this.pkgManagerStats = pkgManagerStats;
+    this.timeInMs = timeInMs;
+  }
+
+  /**
+   * @return The set of active targets remaining, which is a subset of the
+   *         targets we attempted to load.
+   */
+  public Collection<Target> getTargets() {
+    return targets;
+  }
+
+  /**
+   * @return The set of filtered targets.
+   */
+  public Collection<Target> getFilteredTargets() {
+    return filteredTargets;
+  }
+
+  /**
+   * @return The set of active target labels remaining, which is a subset of the
+   *         targets we attempted to load.
+   */
+  public Iterable<Label> getLabels() {
+    return Iterables.transform(targets, TO_LABEL);
+  }
+  
+  public long getTimeInMs() {
+    return timeInMs;
+  }
+
+  /**
+   * Returns the PackageCache statistics.
+   */
+  public PackageManager.PackageManagerStatistics getPkgManagerStats() {
+    return pkgManagerStats;
+  }
+
+  private static final Function<Target, Label> TO_LABEL = new Function<Target, Label>() {
+    @Override
+    public Label apply(Target input) {
+      return input.getLabel();
+    }
+  };
+}