cc: Unify namespaces for all test files

cc/test/fake_web_graphics_context_3d_unittest.cc

Index: cc/test/fake_web_graphics_context_3d_unittest.cc
diff --git a/cc/test/fake_web_graphics_context_3d_unittest.cc b/cc/test/fake_web_graphics_context_3d_unittest.cc
index ade749fed056fa00930e5a948a8aabb30030500c..e099408471dc9e8352f184485b06e3d6ae93427b 100644
--- a/cc/test/fake_web_graphics_context_3d_unittest.cc
+++ b/cc/test/fake_web_graphics_context_3d_unittest.cc
@@ -8,7 +8,10 @@
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-class ContextThatCountsMakeCurrents : public WebKit::FakeWebGraphicsContext3D {
+namespace cc {
+namespace {
+
+class ContextThatCountsMakeCurrents : public FakeWebGraphicsContext3D {
 public:
     ContextThatCountsMakeCurrents() : m_makeCurrentCount(0) { }
     virtual bool makeContextCurrent() OVERRIDE
@@ -29,3 +32,6 @@ TEST(FakeWebGraphicsContext3DTest, CreationShouldNotMakeCurrent)
     EXPECT_TRUE(context.get());
     EXPECT_EQ(0, context->makeCurrentCount());
 }
+
+}  // namespace
+}  // namespace cc