Avoid lossy effects of rounding by using contentBoxRect directly for plugin bounds.

chrome/test/data/nacl/ppapi/ppp_instance/ppapi_ppp_instance.cc

Index: chrome/test/data/nacl/ppapi/ppp_instance/ppapi_ppp_instance.cc
diff --git a/chrome/test/data/nacl/ppapi/ppp_instance/ppapi_ppp_instance.cc b/chrome/test/data/nacl/ppapi/ppp_instance/ppapi_ppp_instance.cc
index d949469b2e3862dee7cc5f874e0d0410bbe7024b..74392710b2a5e1df53e0926e1b81c151c63a1a7b 100644
--- a/chrome/test/data/nacl/ppapi/ppp_instance/ppapi_ppp_instance.cc
+++ b/chrome/test/data/nacl/ppapi/ppp_instance/ppapi_ppp_instance.cc
@@ -49,9 +49,8 @@ void DidChangeView(PP_Instance instance, PP_Resource view) {
   // These are based on embed dimensions.
   PP_Rect position;
   PPBView()->GetRect(view, &position);
-  fprintf(stderr, "clip.size.height: %d\n", clip.size.height);
   EXPECT(position.size.width == 15 && clip.size.width == 15);
-  EXPECT(position.size.height == 20 && clip.size.height == 21);
+  EXPECT(position.size.height == 20 && clip.size.height == 20);
 
   TEST_PASSED;
 }