cc: Changes to use GL API for GpuMemoryBuffers

cc/resources/tile_manager.cc

Index: cc/resources/tile_manager.cc
diff --git a/cc/resources/tile_manager.cc b/cc/resources/tile_manager.cc
index 6a068a134bd94b68e9c727ab703c4ea5c2a0cded..f660400d839729423992318a069242745c81b684 100644
--- a/cc/resources/tile_manager.cc
+++ b/cc/resources/tile_manager.cc
@@ -125,7 +125,8 @@ TileManager::TileManager(
       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() {
@@ -983,4 +984,8 @@ void TileManager::RecordSolidColorPredictorResults(
                     (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