Fix UpdateTilePriorities viewport in Android WebView.

cc/output/output_surface.cc

 // Copyright (c) 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 "cc/output/output_surface.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 206 matching lines @@
   begin_frame_pending_ = false;
   pending_swap_buffers_ = 0;
   client_->DidLoseOutputSurface();
 }
 
 void OutputSurface::SetExternalStencilTest(bool enabled) {
   client_->SetExternalStencilTest(enabled);
 }
 
 void OutputSurface::SetExternalDrawConstraints(const gfx::Transform& transform,
-                                               gfx::Rect viewport) {
-  client_->SetExternalDrawConstraints(transform, viewport);
+                                               gfx::Rect viewport,
+                                               gfx::Rect clip,
+                                               bool valid_for_tile_management) {
+  client_->SetExternalDrawConstraints(
+      transform, viewport, clip, valid_for_tile_management);
 }
 
 OutputSurface::~OutputSurface() {
   if (frame_rate_controller_)
     frame_rate_controller_->SetActive(false);
   ResetContext3d();
 }
 
 bool OutputSurface::ForcedDrawToSoftwareDevice() const {
   return false;
@@ skipping 156 matching lines @@
                "discard_backbuffer", discard_backbuffer);
   // Just ignore the memory manager when it says to set the limit to zero
   // bytes. This will happen when the memory manager thinks that the renderer
   // is not visible (which the renderer knows better).
   if (policy.bytes_limit_when_visible)
     client_->SetMemoryPolicy(policy);
   client_->SetDiscardBackBufferWhenNotVisible(discard_backbuffer);
 }
 
 }  // namespace cc