Remove offscreen compositor contexts.

cc/trees/layer_tree_host.cc

 // Copyright 2011 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/trees/layer_tree_host.h"
 
 #include <algorithm>
 #include <stack>
 #include <string>
 
@@ skipping 30 matching lines @@
 #include "ui/gfx/size_conversions.h"
 
 namespace {
 static base::StaticAtomicSequenceNumber s_layer_tree_host_sequence_number;
 }
 
 namespace cc {
 
 RendererCapabilities::RendererCapabilities(ResourceFormat best_texture_format,
                                            bool allow_partial_texture_updates,
-                                           bool using_offscreen_context3d,
                                            int max_texture_size,
                                            bool using_shared_memory_resources)
     : best_texture_format(best_texture_format),
       allow_partial_texture_updates(allow_partial_texture_updates),
-      using_offscreen_context3d(using_offscreen_context3d),
       max_texture_size(max_texture_size),
       using_shared_memory_resources(using_shared_memory_resources) {}
 
 RendererCapabilities::RendererCapabilities()
     : best_texture_format(RGBA_8888),
       allow_partial_texture_updates(false),
-      using_offscreen_context3d(false),
       max_texture_size(0),
       using_shared_memory_resources(false) {}
 
 RendererCapabilities::~RendererCapabilities() {}
 
 scoped_ptr<LayerTreeHost> LayerTreeHost::CreateThreaded(
     LayerTreeHostClient* client,
     SharedBitmapManager* manager,
     const LayerTreeSettings& settings,
     scoped_refptr<base::SingleThreadTaskRunner> impl_task_runner) {
@@ skipping 17 matching lines @@
 
 
 LayerTreeHost::LayerTreeHost(
     LayerTreeHostClient* client,
     SharedBitmapManager* manager,
     const LayerTreeSettings& settings)
     : micro_benchmark_controller_(this),
       next_ui_resource_id_(1),
       animating_(false),
       needs_full_tree_sync_(true),
-      needs_filter_context_(false),
       client_(client),
       source_frame_number_(0),
       rendering_stats_instrumentation_(RenderingStatsInstrumentation::Create()),
       output_surface_can_be_initialized_(true),
       output_surface_lost_(true),
       num_failed_recreate_attempts_(0),
       settings_(settings),
       debug_state_(settings.initial_debug_state),
       overdraw_bottom_height_(0.f),
       device_scale_factor_(1.f),
@@ skipping 1136 matching lines @@
   swap_promise_list_.push_back(swap_promise.Pass());
 }
 
 void LayerTreeHost::BreakSwapPromises(SwapPromise::DidNotSwapReason reason) {
   for (size_t i = 0; i < swap_promise_list_.size(); i++)
     swap_promise_list_[i]->DidNotSwap(reason);
   swap_promise_list_.clear();
 }
 
 }  // namespace cc