cc: Do solid color analysis before scheduling tiles.

cc/debug/rasterize_and_record_benchmark_impl.cc

 // Copyright 2013 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/debug/rasterize_and_record_benchmark_impl.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <limits>
@@ skipping 25 matching lines @@
   const int kWarmupRuns = 0;
   const int kTimeCheckInterval = 1;
 
   *min_time = base::TimeDelta::Max();
   for (size_t i = 0; i < repeat_count; ++i) {
     // Run for a minimum amount of time to avoid problems with timer
     // quantization when the layer is very small.
     LapTimer timer(kWarmupRuns,
                    base::TimeDelta::FromMilliseconds(kTimeLimitMillis),
                    kTimeCheckInterval);
+    SkColor color = SK_ColorTRANSPARENT;
+    *is_solid_color = raster_source->PerformSolidColorAnalysis(
+        content_rect, contents_scale, &color);
+
     do {
       SkBitmap bitmap;
       bitmap.allocPixels(SkImageInfo::MakeN32Premul(content_rect.width(),
                                                     content_rect.height()));
       SkCanvas canvas(bitmap);
-      DisplayListRasterSource::SolidColorAnalysis analysis;
 
-      raster_source->PerformSolidColorAnalysis(content_rect, contents_scale,
-                                               &analysis);
       raster_source->PlaybackToCanvas(&canvas, content_rect, content_rect,
                                       contents_scale);
 
-      *is_solid_color = analysis.is_solid_color;
-
       timer.NextLap();
     } while (!timer.HasTimeLimitExpired());
     base::TimeDelta duration =
         base::TimeDelta::FromMillisecondsD(timer.MsPerLap());
     if (duration < *min_time)
       *min_time = duration;
   }
 }
 
 class FixedInvalidationPictureLayerTilingClient
@@ skipping 146 matching lines @@
       total_memory_usage(0),
       total_layers(0),
       total_picture_layers(0),
       total_picture_layers_with_no_content(0),
       total_picture_layers_off_screen(0) {
 }
 
 RasterizeAndRecordBenchmarkImpl::RasterizeResults::~RasterizeResults() {}
 
 }  // namespace cc