cc: Use gfx:: Geometry types for positions, bounds, and related things.

cc/proxy.h

Index: cc/proxy.h
diff --git a/cc/proxy.h b/cc/proxy.h
index daddadeeb10ed45e697faa59f50b8cc283dccd5d..4eb63ad265a1442517aec018746c2b9e77f33d27 100644
--- a/cc/proxy.h
+++ b/cc/proxy.h
@@ -9,10 +9,13 @@
 #include "base/logging.h"
 #include <public/WebCompositorOutputSurface.h>
 
+namespace gfx {
+class Rect;
+}
+
 namespace cc {
 
 class Thread;
-class IntRect;
 class IntSize;
 struct RenderingStats;
 struct RendererCapabilities;
@@ -33,7 +36,7 @@ public:
 
     virtual ~Proxy();
 
-    virtual bool compositeAndReadback(void *pixels, const IntRect&) = 0;
+    virtual bool compositeAndReadback(void *pixels, const gfx::Rect&) = 0;
 
     virtual void startPageScaleAnimation(const IntSize& targetPosition, bool useAnchor, float scale, double durationSec) = 0;