cc: Removing base::TimeTicks argument to DrawLayers as it isn't used.

cc/trees/layer_tree_host_impl.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_impl.h"
 
 #include <algorithm>
 #include <limits>
 
 #include "base/basictypes.h"
@@ skipping 1371 matching lines @@
 
   metadata.root_scroll_offset = active_tree_->TotalScrollOffset();
 
   return metadata;
 }
 
 static void LayerTreeHostImplDidBeginTracingCallback(LayerImpl* layer) {
   layer->DidBeginTracing();
 }
 
-void LayerTreeHostImpl::DrawLayers(FrameData* frame,
-                                   base::TimeTicks frame_begin_time) {
+void LayerTreeHostImpl::DrawLayers(FrameData* frame) {
   TRACE_EVENT0("cc", "LayerTreeHostImpl::DrawLayers");
   DCHECK(CanDraw());
 
   if (frame->has_no_damage) {
     TRACE_EVENT_INSTANT0("cc", "EarlyOut_NoDamage", TRACE_EVENT_SCOPE_THREAD);
     DCHECK(!output_surface_->capabilities()
                .draw_and_swap_full_viewport_every_frame);
     return;
   }
 
   DCHECK(!frame->render_passes.empty());
 
-  fps_counter_->SaveTimeStamp(frame_begin_time,
+  fps_counter_->SaveTimeStamp(current_frame_timeticks_,
                               !output_surface_->context_provider());
   bool on_main_thread = false;
   rendering_stats_instrumentation_->IncrementFrameCount(
       1, on_main_thread);
 
   if (tile_manager_) {
     memory_history_->SaveEntry(
         tile_manager_->memory_stats_from_last_assign());
   }
 
@@ skipping 1735 matching lines @@
 }
 
 void LayerTreeHostImpl::UnregisterPictureLayerImpl(PictureLayerImpl* layer) {
   std::vector<PictureLayerImpl*>::iterator it =
       std::find(picture_layers_.begin(), picture_layers_.end(), layer);
   DCHECK(it != picture_layers_.end());
   picture_layers_.erase(it);
 }
 
 }  // namespace cc