Change cc files from namespace WebCore to cc

cc/CCFrameRateControllerTest.cpp

Index: cc/CCFrameRateControllerTest.cpp
diff --git a/cc/CCFrameRateControllerTest.cpp b/cc/CCFrameRateControllerTest.cpp
index 721db12797843cbf2f69c712d3a38c2191bd7e3b..34291a26b8b9135f68e649b5584036b0b82c2d3c 100644
--- a/cc/CCFrameRateControllerTest.cpp
+++ b/cc/CCFrameRateControllerTest.cpp
@@ -9,13 +9,13 @@
 #include "CCSchedulerTestCommon.h"
 #include <gtest/gtest.h>
 
-using namespace WTF;
-using namespace WebCore;
+using namespace cc;
 using namespace WebKitTests;
+using namespace WTF;
 
 namespace {
 
-class FakeCCFrameRateControllerClient : public WebCore::CCFrameRateControllerClient {
+class FakeCCFrameRateControllerClient : public cc::CCFrameRateControllerClient {
 public:
     FakeCCFrameRateControllerClient() { reset(); }