Add LOCAL_ prefix to non-UMA histogram macros.

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 <limits>
 #include <string>
 
@@ skipping 134 matching lines @@
     // before we draw and sometimes they aren't)
     RenderingStatsInstrumentation* stats =
         tile_resolution_ == HIGH_RESOLUTION ? rendering_stats_ : NULL;
     DCHECK(picture_pile);
     picture_pile->RasterToBitmap(
         canvas_, content_rect_, contents_scale_, stats);
 
     if (rendering_stats_->record_rendering_stats()) {
       base::TimeDelta current_rasterize_time =
           rendering_stats_->impl_thread_rendering_stats().rasterize_time;
-      HISTOGRAM_CUSTOM_COUNTS(
+      LOCAL_HISTOGRAM_CUSTOM_COUNTS(
           "Renderer4.PictureRasterTimeUS",
           (current_rasterize_time - prev_rasterize_time).InMicroseconds(),
           0,
           100000,
           100);
     }
   }
 
   PicturePileImpl::Analysis analysis_;
   scoped_refptr<PicturePileImpl> picture_pile_;
@@ skipping 1003 matching lines @@
   TRACE_EVENT0("cc", "TileManager::CheckIfReadyToActivate");
 
   rasterizer_->CheckForCompletedTasks();
   did_check_for_completed_tasks_since_last_schedule_tasks_ = true;
 
   if (IsReadyToActivate())
     client_->NotifyReadyToActivate();
 }
 
 }  // namespace cc