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

cc/stubs/int_point.h

Index: cc/stubs/int_point.h
diff --git a/cc/stubs/int_point.h b/cc/stubs/int_point.h
index 2e39da6ef7667138c97a65fa181e729748795b95..068c6620a03598070f01a1e199b57f943791fb74 100644
--- a/cc/stubs/int_point.h
+++ b/cc/stubs/int_point.h
@@ -32,7 +32,11 @@ public:
     IntPoint(WebCore::IntPoint point)
         : WebCore::IntPoint(point.x(), point.y())
     {
+    }
 
+    explicit IntPoint(gfx::Point point)
+        : WebCore::IntPoint(point.x(), point.y())
+    {
     }
 
     operator gfx::Point() const { return gfx::Point(x(), y()); }