cc: Adding creation location to debug BeginFrameArgs objects.

cc/trees/layer_tree_host_impl_unittest.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 <cmath>
 
 #include "base/bind.h"
@@ skipping 1371 matching lines @@
       RenderingStatsInstrumentation* rendering_stats_instrumentation)
       : LayerTreeHostImpl(settings,
                           client,
                           proxy,
                           rendering_stats_instrumentation,
                           manager,
                           NULL,
                           0) {}
 
   BeginFrameArgs CurrentBeginFrameArgs() const override {
-    return CreateBeginFrameArgsForTesting(fake_current_physical_time_);
+    return CreateBeginFrameArgsForTesting(BEGINFRAME_FROM_HERE,
+                                          fake_current_physical_time_);
   }
 
   void SetCurrentPhysicalTimeTicksForTest(base::TimeTicks fake_now) {
     fake_current_physical_time_ = fake_now;
   }
 
  private:
   base::TimeTicks fake_current_physical_time_;
 };
 
@@ skipping 6373 matching lines @@
   // surface.
   EXPECT_EQ(0, num_lost_surfaces_);
   host_impl_->DidLoseOutputSurface();
   EXPECT_EQ(1, num_lost_surfaces_);
   host_impl_->DidLoseOutputSurface();
   EXPECT_LE(1, num_lost_surfaces_);
 }
 
 }  // namespace
 }  // namespace cc