Remove offscreen compositor contexts.

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 35 matching lines @@
     : Renderer(client, settings),
       output_surface_(output_surface),
       resource_provider_(resource_provider),
       visible_(true) {
   DCHECK(resource_provider_);
 
   capabilities_.using_partial_swap = false;
   capabilities_.max_texture_size = resource_provider_->max_texture_size();
   capabilities_.best_texture_format = resource_provider_->best_texture_format();
   capabilities_.allow_partial_texture_updates = false;
-  capabilities_.using_offscreen_context3d = false;
 
   if (!output_surface_->context_provider()) {
     capabilities_.using_shared_memory_resources = true;
     capabilities_.using_map_image = true;
   } else {
     const ContextProvider::Capabilities& caps =
         output_surface_->context_provider()->ContextCapabilities();
 
     DCHECK(!caps.gpu.iosurface || caps.gpu.texture_rectangle);
 
@@ skipping 14 matching lines @@
 bool DelegatingRenderer::CanReadPixels() const { return false; }
 
 static ResourceProvider::ResourceId AppendToArray(
     ResourceProvider::ResourceIdArray* array,
     ResourceProvider::ResourceId id) {
   array->push_back(id);
   return id;
 }
 
 void DelegatingRenderer::DrawFrame(RenderPassList* render_passes_in_draw_order,
-                                   ContextProvider* offscreen_context_provider,
                                    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_;
@@ skipping 68 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