cc: Changes to use GL API for GpuMemoryBuffers

cc/resources/tile_manager.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/resources/tile_manager.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 107 matching lines @@
       manage_tiles_pending_(false),
       manage_tiles_call_count_(0),
       bytes_pending_upload_(0),
       has_performed_uploads_since_last_flush_(false),
       ever_exceeded_memory_budget_(false),
       rendering_stats_instrumentation_(rendering_stats_instrumentation),
       use_color_estimator_(use_color_estimator),
       prediction_benchmarking_(prediction_benchmarking),
       did_initialize_visible_tile_(false),
       pending_tasks_(0),
-      max_pending_tasks_(kMaxNumPendingTasksPerThread * num_raster_threads) {
+      max_pending_tasks_(kMaxNumPendingTasksPerThread * num_raster_threads),
+      use_gpu_memory_buffers_(false) {
 }
 
 TileManager::~TileManager() {
   // Reset global state and manage. This should cause
   // our memory usage to drop to zero.
   global_state_ = GlobalStateThatImpactsTilePriority();
   AssignGpuMemoryToTiles();
   // This should finish all pending tasks and release any uninitialized
   // resources.
   raster_worker_pool_->Shutdown();
@@ skipping 837 matching lines @@
   HISTOGRAM_BOOLEAN("Renderer4.ColorPredictor.WrongColor",
                     is_predicted_solid && predicted_color != actual_color);
   HISTOGRAM_BOOLEAN("Renderer4.ColorPredictor.Accuracy",
                     is_predicted_solid == is_actually_solid &&
                     (!is_predicted_solid || predicted_color == actual_color));
   HISTOGRAM_BOOLEAN("Renderer4.ColorPredictor.IsCorrectSolid",
                     is_predicted_solid == is_actually_solid &&
                     (is_predicted_solid && predicted_color == actual_color));
 }
 
+void TileManager::SetUseGpuMemoryBuffers(bool use_gpu_memory_buffers) {
+  use_gpu_memory_buffers_ = use_gpu_memory_buffers;
+}
+
 }  // namespace cc