cc: Remove forbidden using namespace directives.

cc/render_surface_unittest.cc

 // Copyright 2011 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/render_surface_impl.h"
 
 #include "cc/append_quads_data.h"
 #include "cc/layer_impl.h"
 #include "cc/render_pass_sink.h"
 #include "cc/scoped_ptr_vector.h"
 #include "cc/shared_quad_state.h"
 #include "cc/single_thread_proxy.h"
 #include "cc/test/geometry_test_utils.h"
 #include "cc/test/mock_quad_culler.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include <public/WebTransformationMatrix.h>
 
-using namespace cc;
 using WebKit::WebTransformationMatrix;
 
+namespace cc {
 namespace {
 
 #define EXECUTE_AND_VERIFY_SURFACE_CHANGED(codeToTest)                  \
     renderSurface->resetPropertyChangedFlag();                          \
     codeToTest;                                                         \
     EXPECT_TRUE(renderSurface->surfacePropertyChanged())
 
 #define EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(codeToTest)           \
     renderSurface->resetPropertyChangedFlag();                          \
     codeToTest;                                                         \
@@ skipping 112 matching lines @@
     renderSurface->appendRenderPasses(passSink);
 
     ASSERT_EQ(1u, passSink.renderPasses().size());
     RenderPass* pass = passSink.renderPasses()[0];
 
     EXPECT_EQ(RenderPass::Id(2, 0), pass->id());
     EXPECT_RECT_EQ(contentRect, pass->outputRect());
     EXPECT_EQ(origin, pass->transformToRootTarget());
 }
 
-}  // anonymous namespace
+}  // namespace
+}  // namespace cc