Get rid of graphics layer anchor points, and replace with transform origin.

android_webview/browser/hardware_renderer.cc

 // Copyright 2014 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 "android_webview/browser/hardware_renderer.h"
 
 #include "android_webview/browser/aw_gl_surface.h"
 #include "android_webview/browser/deferred_gpu_command_service.h"
 #include "android_webview/browser/parent_output_surface.h"
 #include "android_webview/browser/shared_renderer_state.h"
@@ skipping 150 matching lines @@
     scroll_offset_ = input->scroll_offset;
 
     if (!frame_provider_ || size_changed) {
       if (delegated_layer_) {
         delegated_layer_->RemoveFromParent();
       }
 
       frame_provider_ = new cc::DelegatedFrameProvider(
           resource_collection_.get(), input->frame.delegated_frame_data.Pass());
 
-      delegated_layer_ = cc::DelegatedRendererLayer::Create(frame_provider_);
+    delegated_layer_ = cc::DelegatedRendererLayer::Create(frame_provider_);
       delegated_layer_->SetBounds(gfx::Size(view_width_, view_height_));
       delegated_layer_->SetIsDrawable(true);
-      delegated_layer_->SetAnchorPoint(gfx::PointF(0.f, 0.f));
+      delegated_layer_->SetTransformOrigin(gfx::PointF(0.f, 0.f));

[enne (OOO), 2014/06/03 23:28:51]

It looks like there's a whole bunch of unnecessary SetTransformOrigin calls
still?

[chrishtr, 2014/06/03 23:41:55]

Done.

 
       root_layer_->AddChild(delegated_layer_);
     } else {
       frame_provider_->SetFrameData(input->frame.delegated_frame_data.Pass());
     }
   }
 
   viewport_.SetSize(draw_info->width, draw_info->height);
   layer_tree_host_->SetViewportSize(viewport_);
   clip_.SetRect(draw_info->clip_left,
@@ skipping 33 matching lines @@
 }
 
 void HardwareRenderer::UnusedResourcesAreAvailable() {
   cc::ReturnedResourceArray returned_resources;
   resource_collection_->TakeUnusedResourcesForChildCompositor(
       &returned_resources);
   shared_renderer_state_->InsertReturnedResources(returned_resources);
 }
 
 }  // namespace android_webview