Be explicit about namespace testing to not mix it with blink::testing

third_party/WebKit/Source/core/dom/ScriptedIdleTaskControllerTest.cpp

 // Copyright 2017 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 "core/dom/ScriptedIdleTaskController.h"
 
 #include "core/dom/IdleRequestCallback.h"
 #include "core/dom/IdleRequestOptions.h"
 #include "core/testing/NullExecutionContext.h"
 #include "platform/testing/TestingPlatformSupport.h"
@@ skipping 77 matching lines @@
   DISALLOW_COPY_AND_ASSIGN(MockPlatform);
 };
 
 class MockIdleRequestCallback : public IdleRequestCallback {
  public:
   MOCK_METHOD1(handleEvent, void(IdleDeadline*));
 };
 
 }  // namespace
 
-class ScriptedIdleTaskControllerTest : public testing::Test {
+class ScriptedIdleTaskControllerTest : public ::testing::Test {
  public:
   void SetUp() override { execution_context_ = new NullExecutionContext(); }
 
  protected:
   Persistent<ExecutionContext> execution_context_;
 };
 
 TEST_F(ScriptedIdleTaskControllerTest, RunCallback) {
   ScopedTestingPlatformSupport<MockPlatform, bool> platform(false);
   NullExecutionContext execution_context;
   ScriptedIdleTaskController* controller =
       ScriptedIdleTaskController::Create(execution_context_);
 
   Persistent<MockIdleRequestCallback> callback(new MockIdleRequestCallback());
   IdleRequestOptions options;
   EXPECT_FALSE(platform->HasIdleTask());
   int id = controller->RegisterCallback(callback, options);
   EXPECT_TRUE(platform->HasIdleTask());
   EXPECT_NE(0, id);
 
   EXPECT_CALL(*callback, handleEvent(testing::_));
   platform->RunIdleTask();
-  testing::Mock::VerifyAndClearExpectations(callback);
+  ::testing::Mock::VerifyAndClearExpectations(callback);
   EXPECT_FALSE(platform->HasIdleTask());
 }
 
 TEST_F(ScriptedIdleTaskControllerTest, DontRunCallbackWhenAskedToYield) {
   ScopedTestingPlatformSupport<MockPlatform, bool> platform(true);
   NullExecutionContext execution_context;
   ScriptedIdleTaskController* controller =
       ScriptedIdleTaskController::Create(execution_context_);
 
   Persistent<MockIdleRequestCallback> callback(new MockIdleRequestCallback());
   IdleRequestOptions options;
   int id = controller->RegisterCallback(callback, options);
   EXPECT_NE(0, id);
 
   EXPECT_CALL(*callback, handleEvent(testing::_)).Times(0);
   platform->RunIdleTask();
-  testing::Mock::VerifyAndClearExpectations(callback);
+  ::testing::Mock::VerifyAndClearExpectations(callback);
 
   // The idle task should have been reposted.
   EXPECT_TRUE(platform->HasIdleTask());
 }
 
 }  // namespace blink