[Suggestions] Moving suggestions code to a new component

components/test/run_all_unittests.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/metrics/statistics_recorder.h"
 #include "base/path_service.h"
 #include "base/test/launcher/unit_test_launcher.h"
 #include "base/test/test_suite.h"
 #include "content/public/test/test_content_client_initializer.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/ui_base_paths.h"
 
 #if defined(OS_MACOSX)
 #include "base/mac/bundle_locations.h"
@@ skipping 11 matching lines @@
 
 namespace {
 
 class ComponentsTestSuite : public base::TestSuite {
  public:
   ComponentsTestSuite(int argc, char** argv) : base::TestSuite(argc, argv) {}
 
  private:
   virtual void Initialize() OVERRIDE {
     base::TestSuite::Initialize();
+
+    // Initialize the histograms subsystem, so that any histograms hit in tests
+    // are correctly registered with the statistics recorder and can be queried
+    // by tests.
+    base::StatisticsRecorder::Initialize();
+
 #if !defined(OS_IOS)
     gfx::GLSurface::InitializeOneOffForTests();
 #endif
 #if defined(OS_ANDROID)
     // Register JNI bindings for android.
     JNIEnv* env = base::android::AttachCurrentThread();
     gfx::android::RegisterJni(env);
     ui::android::RegisterJni(env);
 #endif
 
@@ skipping 69 matching lines @@
   // The listener will set up common test environment for all components unit
   // tests.
   testing::TestEventListeners& listeners =
       testing::UnitTest::GetInstance()->listeners();
   listeners.Append(new ComponentsUnitTestEventListener());
 
   return base::LaunchUnitTests(
       argc, argv, base::Bind(&base::TestSuite::Run,
                              base::Unretained(&test_suite)));
 }