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

cc/stubs/IntSize.h

Index: cc/stubs/IntSize.h
diff --git a/cc/stubs/IntSize.h b/cc/stubs/IntSize.h
index c53f4f155dd6667c239d4da0eca87c8f5d19e6ad..96c716afcc0a8525599418347f3b19053843d133 100644
--- a/cc/stubs/IntSize.h
+++ b/cc/stubs/IntSize.h
@@ -10,6 +10,7 @@
 #else
 #include "third_party/WebKit/Source/WebCore/platform/graphics/IntSize.h"
 #endif
+#include "cc/math/int_size.h"
 
 namespace cc {
 
@@ -27,6 +28,13 @@ public:
     {
 
     }
+
+    explicit IntSize(ccmath::IntSize size)
+        : WebCore::IntSize(size.width(), size.height())
+    {
+    }
+
+    operator ccmath::IntSize() const { return ccmath::IntSize(width(), height()); }
 };
 
 }