cc: Remove forbidden using namespace directives.

cc/texture_layer_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 "config.h"
 
 #include "cc/texture_layer.h"
 
 #include "cc/layer_tree_host.h"
 #include "cc/single_thread_proxy.h"
 #include "cc/texture_layer_impl.h"
 #include "cc/test/fake_layer_tree_host_client.h"
 #include "cc/thread.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-using namespace cc;
 using ::testing::Mock;
 using ::testing::_;
 using ::testing::AtLeast;
 using ::testing::AnyNumber;
 
+namespace cc {
 namespace {
 
 class MockLayerImplTreeHost : public LayerTreeHost {
 public:
     MockLayerImplTreeHost()
         : LayerTreeHost(&m_fakeClient, LayerTreeSettings())
     {
         initialize(scoped_ptr<Thread>(NULL));
     }
 
@@ skipping 142 matching lines @@
     EXPECT_CALL(*m_layerTreeHost, setNeedsCommit()).Times(AtLeast(1));
     testLayer->setTextureId(1);
     Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
 
     EXPECT_CALL(*m_layerTreeHost, acquireLayerTextures()).Times(AtLeast(1));
     EXPECT_CALL(*m_layerTreeHost, setNeedsCommit()).Times(AtLeast(1));
     testLayer->removeFromParent();
     Mock::VerifyAndClearExpectations(m_layerTreeHost.get());
 }
 
-}  // anonymous namespace
+}  // namespace
+}  // namespace cc