cc: Unify use of DidSwapBuffers() and did_request_swap

cc/scheduler/draw_swap_readback_result.h

Index: cc/scheduler/draw_swap_readback_result.h
diff --git a/cc/scheduler/draw_swap_readback_result.h b/cc/scheduler/draw_swap_readback_result.h
index 852b89720a0d006bc4c0247887ae9d15a778eb13..a35b4518f9339b37d43671edad2847c7be8e9543 100644
--- a/cc/scheduler/draw_swap_readback_result.h
+++ b/cc/scheduler/draw_swap_readback_result.h
@@ -19,18 +19,10 @@ struct DrawSwapReadbackResult {
   };
 
   DrawSwapReadbackResult()

[brianderson, 2014/04/24 01:54:15]

Let's get rid of DrawSwapReadbackResult and just replace it with DrawResult.

[simonhong, 2014/04/25 01:13:37]

Done.

-      : draw_result(INVALID_RESULT),
-        did_request_swap(false),
-        did_readback(false) {}
-  DrawSwapReadbackResult(DrawResult draw_result,
-                         bool did_request_swap,
-                         bool did_readback)
-      : draw_result(draw_result),
-        did_request_swap(did_request_swap),
-        did_readback(did_readback) {}
+      : draw_result(INVALID_RESULT) {}
+  explicit DrawSwapReadbackResult(DrawResult draw_result)
+      : draw_result(draw_result) {}
   DrawResult draw_result;
-  bool did_request_swap;
-  bool did_readback;
 };
 
 }  // namespace cc