cc: Remove WebCore dependecies from CCRenderPass and CCDrawQuad classes.

cc/stubs/FloatPoint.h

Index: cc/stubs/FloatPoint.h
diff --git a/cc/stubs/FloatPoint.h b/cc/stubs/FloatPoint.h
index 4ce268188aa7ee6f97d8945426f71c013ae55194..21ce9f4066db2a63163118ce7704602d36e06737 100644
--- a/cc/stubs/FloatPoint.h
+++ b/cc/stubs/FloatPoint.h
@@ -12,6 +12,7 @@
 #else
 #include "third_party/WebKit/Source/WebCore/platform/graphics/FloatPoint.h"
 #endif
+#include <public/WebFloatPoint.h>
 
 namespace cc {
 
@@ -42,7 +43,16 @@ public:
     FloatPoint(WebCore::FloatPoint point)
         : WebCore::FloatPoint(point.x(), point.y())
     {
+    }
 
+    FloatPoint(WebKit::WebFloatPoint point)
+        : WebCore::FloatPoint(point.x, point.y)
+    {
+    }
+
+    operator WebKit::WebFloatPoint() const
+    {
+        return WebKit::WebFloatPoint(x(), y());
     }
 };