cc: Remove implicit conversions from Rect to RectF in src/cc/.

cc/layers/layer_impl.cc

Index: cc/layers/layer_impl.cc
diff --git a/cc/layers/layer_impl.cc b/cc/layers/layer_impl.cc
index 71f09f042f6affc032ec7b4db92b3e8d728bb429..c1509b0665d93ea2437909cc484222f081a2ed03 100644
--- a/cc/layers/layer_impl.cc
+++ b/cc/layers/layer_impl.cc
@@ -1761,8 +1761,9 @@ void LayerImpl::AsValueInto(base::trace_event::TracedValue* state) const {
   MathUtil::AddToTracedValue("transform_origin", transform_origin_, state);
 
   bool clipped;
-  gfx::QuadF layer_quad = MathUtil::MapQuad(
-      screen_space_transform(), gfx::QuadF(gfx::Rect(bounds())), &clipped);
+  gfx::QuadF layer_quad =
+      MathUtil::MapQuad(screen_space_transform(),
+                        gfx::QuadF(gfx::RectF(gfx::Rect(bounds()))), &clipped);
   MathUtil::AddToTracedValue("layer_quad", layer_quad, state);
   if (!touch_event_handler_region_.IsEmpty()) {
     state->BeginArray("touch_event_handler_region");