cc: Use ui/gfx geometry types for the CCRenderPass and CCDrawQuad classes.

cc/stubs/FloatSize.h

Index: cc/stubs/FloatSize.h
diff --git a/cc/stubs/FloatSize.h b/cc/stubs/FloatSize.h
index 9db59788f7d52bfd1b29af44f0661b018f183a56..e8cf403a109ae1275d7b514ac1155c8d6b78b144 100644
--- a/cc/stubs/FloatSize.h
+++ b/cc/stubs/FloatSize.h
@@ -11,6 +11,7 @@
 #else
 #include "third_party/WebKit/Source/WebCore/platform/graphics/FloatSize.h"
 #endif
+#include "cc/math/float_size.h"
 
 namespace cc {
 class FloatSize : public WebCore::FloatSize {
@@ -36,6 +37,8 @@ public:
         : WebCore::FloatSize(size.width(), size.height())
     {
     }
+
+    operator ccmath::FloatSize() const { return ccmath::FloatSize(width(), height()); }
 };
 
 }