Add base::TimeDelta::Max().

cc/resources/picture_pile_impl.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 <algorithm>
 #include <limits>
 
 #include "base/debug/trace_event.h"
 #include "cc/base/region.h"
 #include "cc/debug/debug_colors.h"
@@ skipping 229 matching lines @@
        ++it) {
     Picture* picture = it->first;
     Region negated_clip_region = it->second;
 
 #ifndef NDEBUG
     Region positive_clip = content_rect;
     positive_clip.Subtract(negated_clip_region);
     total_clip.Union(positive_clip);
 #endif  // NDEBUG
 
-    base::TimeDelta best_duration =
-        base::TimeDelta::FromInternalValue(std::numeric_limits<int64>::max());
+    base::TimeDelta best_duration = base::TimeDelta::Max();
     int repeat_count = std::max(1, slow_down_raster_scale_factor_for_debug_);
     int rasterized_pixel_count = 0;
 
     for (int j = 0; j < repeat_count; ++j) {
       base::TimeTicks start_time;
       if (rendering_stats_instrumentation)
         start_time = rendering_stats_instrumentation->StartRecording();
 
       rasterized_pixel_count = picture->Raster(
           canvas, callback, negated_clip_region, contents_scale);
@@ skipping 145 matching lines @@
        ++it) {
     Picture* picture = it->second.GetPicture();
     if (picture && (processed_pictures.count(picture) == 0)) {
       picture->EmitTraceSnapshot();
       processed_pictures.insert(picture);
     }
   }
 }
 
 }  // namespace cc