Invert DSF to map from delegated frame to layer space

cc/output/delegating_renderer.cc

 // Copyright 2012 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/delegating_renderer.h"
 
 #include <set>
 #include <string>
 #include <vector>
 
@@ skipping 75 matching lines @@
                                    float device_scale_factor,
                                    const gfx::Rect& device_viewport_rect,
                                    const gfx::Rect& device_clip_rect,
                                    bool disable_picture_quad_image_filtering) {
   TRACE_EVENT0("cc", "DelegatingRenderer::DrawFrame");
 
   DCHECK(!delegated_frame_data_);
 
   delegated_frame_data_ = make_scoped_ptr(new DelegatedFrameData);
   DelegatedFrameData& out_data = *delegated_frame_data_;
+  out_data.device_scale_factor = device_scale_factor;
   // Move the render passes and resources into the |out_frame|.
   out_data.render_pass_list.swap(*render_passes_in_draw_order);
 
   // Collect all resource ids in the render passes into a ResourceIdArray.
   ResourceProvider::ResourceIdArray resources;
   DrawQuad::ResourceIteratorCallback append_to_array =
       base::Bind(&AppendToArray, &resources);
   for (size_t i = 0; i < out_data.render_pass_list.size(); ++i) {
     RenderPass* render_pass = out_data.render_pass_list.at(i);
     for (size_t j = 0; j < render_pass->quad_list.size(); ++j)
@@ skipping 51 matching lines @@
   gpu::ManagedMemoryStats stats;
   stats.bytes_required = bytes_visible;
   stats.bytes_nice_to_have = bytes_visible_and_nearby;
   stats.bytes_allocated = bytes_allocated;
   stats.backbuffer_requested = false;
 
   context_provider->ContextSupport()->SendManagedMemoryStats(stats);
 }
 
 }  // namespace cc