Delete non-CoreAnimation code in RWHVMac

content/browser/renderer_host/compositing_iosurface_layer_mac.mm

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/browser/renderer_host/compositing_iosurface_layer_mac.h"
 
 #include <CoreFoundation/CoreFoundation.h>
 #include <OpenGL/gl.h>
 
 #include "base/mac/mac_util.h"
@@ skipping 188 matching lines @@
   GLint viewport[4];
   glGetIntegerv(GL_VIEWPORT, viewport);
   gfx::Rect window_rect(viewport[0], viewport[1], viewport[2], viewport[3]);
   float window_scale_factor = 1.f;
   if ([self respondsToSelector:(@selector(contentsScale))])
     window_scale_factor = [self contentsScale];
   window_rect = ToNearestRect(
       gfx::ScaleRect(window_rect, 1.f/window_scale_factor));
 
   bool draw_succeeded = iosurface_->DrawIOSurface(
-      context_, window_rect, window_scale_factor, false);
+      context_, window_rect, window_scale_factor);
 
   [self ackPendingFrame:draw_succeeded];
   needs_display_ = NO;
 
   [super drawInCGLContext:glContext
               pixelFormat:pixelFormat
              forLayerTime:timeInterval
               displayTime:timeStamp];
 }
 
 @end