Change cc files from namespace WebCore to cc

cc/stubs/Region.h

Index: cc/stubs/Region.h
diff --git a/cc/stubs/Region.h b/cc/stubs/Region.h
index c7f8f504e8e09abaade89dba8b2ae30f433a7935..6930641c9cafad2e2fad6b117e4f449fb189e727 100644
--- a/cc/stubs/Region.h
+++ b/cc/stubs/Region.h
@@ -5,6 +5,35 @@
 #ifndef CC_STUBS_REGION_H_
 #define CC_STUBS_REGION_H_
 
+#include "IntRect.h"
+#if INSIDE_WEBKIT_BUILD
+#include "Source/WebCore/platform/graphics/Region.h"
+#else
 #include "third_party/WebKit/Source/WebCore/platform/graphics/Region.h"
+#endif
+
+namespace cc {
+
+class Region : public WebCore::Region {
+public:
+    Region() { }
+
+    Region(const IntRect& rect)
+        : WebCore::Region(rect)
+    {
+    }
+
+    Region(const WebCore::IntRect& rect)
+        : WebCore::Region(rect)
+    {
+    }
+
+    Region(const WebCore::Region& region)
+        : WebCore::Region(region)
+    {
+    }
+};
+
+}
 
 #endif  // CC_STUBS_REGION_H_