Fix unit test style in core/{animation,css,fetch,frame,layout,style,timing}/.

Source/core/fetch/ResourceTest.cpp

 // Copyright 2015 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 "config.h"
 #include "core/fetch/Resource.h"
 
 #include "core/fetch/ResourcePtr.h"
 #include "platform/network/ResourceRequest.h"
 #include "platform/network/ResourceResponse.h"
 #include "platform/testing/URLTestHelpers.h"
 #include "public/platform/Platform.h"
 #include "wtf/Vector.h"
-
 #include <gtest/gtest.h>
 
-using namespace blink;
-
 namespace blink {
 
 namespace {
 
 class MockPlatform final : public Platform {
 public:
     MockPlatform() : m_oldPlatform(Platform::current()) { }
     ~MockPlatform() override { }
 
     // From blink::Platform:
@@ skipping 48 matching lines @@
 
 void createTestResourceAndSetCachedMetadata(const ResourceResponse* response)
 {
     const char testData[] = "test data";
     ResourcePtr<Resource> resource = new Resource(ResourceRequest(response->url()), Resource::Raw);
     resource->setResponse(*response);
     resource->cacheHandler()->setCachedMetadata(100, testData, sizeof(testData), CachedMetadataHandler::SendToPlatform);
     return;
 }
 
-} // namespace
+} // anonymous namespace
 
 TEST(ResourceTest, SetCachedMetadata_SendsMetadataToPlatform)
 {
     AutoInstallMockPlatform mock;
     OwnPtr<ResourceResponse> response(createTestResourceResponse());
     createTestResourceAndSetCachedMetadata(response.get());
     EXPECT_EQ(1u, mock.platform()->cachedURLs().size());
 }
 
 TEST(ResourceTest, SetCachedMetadata_DoesNotSendMetadataToPlatformWhenFetchedViaServiceWorker)
 {
     AutoInstallMockPlatform mock;
     OwnPtr<ResourceResponse> response(createTestResourceResponse());
     response->setWasFetchedViaServiceWorker(true);
     createTestResourceAndSetCachedMetadata(response.get());
     EXPECT_EQ(0u, mock.platform()->cachedURLs().size());
 }
 
 } // namespace blink