Add base::TimeDelta::Max().

cc/resources/picture_pile.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/picture_pile.h"
 
 #include <algorithm>
 #include <limits>
 #include <vector>
 
@@ skipping 210 matching lines @@
     scoped_refptr<Picture> picture;
     int num_raster_threads = RasterWorkerPool::GetNumRasterThreads();
 
     // Note: Currently, gathering of pixel refs when using a single
     // raster thread doesn't provide any benefit. This might change
     // in the future but we avoid it for now to reduce the cost of
     // Picture::Create.
     bool gather_pixel_refs = num_raster_threads > 1;
 
     {
-      base::TimeDelta best_duration = base::TimeDelta::FromInternalValue(
-          std::numeric_limits<int64>::max());
+      base::TimeDelta best_duration = base::TimeDelta::Max();
       for (int i = 0; i < repeat_count; i++) {
         base::TimeTicks start_time = stats_instrumentation->StartRecording();
         picture = Picture::Create(record_rect,
                                   painter,
                                   tile_grid_info_,
                                   gather_pixel_refs,
                                   num_raster_threads);
         base::TimeDelta duration =
             stats_instrumentation->EndRecording(start_time);
         best_duration = std::min(duration, best_duration);
@@ skipping 12 matching lines @@
         info.SetPicture(picture);
       }
     }
   }
 
   UpdateRecordedRegion();
   return true;
 }
 
 }  // namespace cc