cc: Pass LayerTreeHostImpl to LayerImpl constructor

cc/prioritized_resource_unittest.cc

 // Copyright 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 "cc/prioritized_resource.h"
 
 #include "cc/prioritized_resource_manager.h"
 #include "cc/resource.h"
 #include "cc/single_thread_proxy.h" // For DebugScopedSetImplThread
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_proxy.h"
 #include "cc/test/tiled_layer_test_common.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-using namespace WebKitTests;
-
 namespace cc {
 
 class PrioritizedResourceTest : public testing::Test {
 public:
     PrioritizedResourceTest()
         : m_proxy(scoped_ptr<Thread>(NULL))
         , m_textureSize(256, 256)
         , m_textureFormat(GL_RGBA)
         , m_outputSurface(createFakeOutputSurface())
     {
@@ skipping 673 matching lines @@
         EXPECT_EQ(texturesMemorySize(3), resourceManager->memoryVisibleBytes());
         EXPECT_EQ(texturesMemorySize(4), resourceManager->memoryVisibleAndNearbyBytes());
     }
 
     DebugScopedSetImplThreadAndMainThreadBlocked implThreadAndMainThreadBlocked(&m_proxy);
     resourceManager->clearAllMemory(resourceProvider());
 }
 
 }  // namespace
 }  // namespace cc