cc: Mark tiles as processed for solid color analysis.

cc/tiles/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/tiles/tile_manager.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 614 matching lines @@
     TilePriority priority = prioritized_tile.priority();
 
     if (TilePriorityViolatesMemoryPolicy(priority)) {
       TRACE_EVENT_INSTANT0(
           "cc", "TileManager::AssignGpuMemory tile violates memory policy",
           TRACE_EVENT_SCOPE_THREAD);
       break;
     }
 
     bool tile_is_needed_now = priority.priority_bin == TilePriority::NOW;
-    if (tile->use_picture_analysis() && kUseColorEstimator) {
+    if (!tile->is_solid_color_analysis_performed() &&
+        tile->use_picture_analysis() && kUseColorEstimator) {
       // We analyze for solid color here, to decide to continue
       // or drop the tile for scheduling and raster.
       // TODO(sohanjg): Check if we could use a shared analysis
       // canvas which is reset between tiles.
+      tile->set_solid_color_analysis_performed(true);
       SkColor color = SK_ColorTRANSPARENT;
       bool is_solid_color =
           prioritized_tile.raster_source()->PerformSolidColorAnalysis(
               tile->content_rect(), tile->contents_scale(), &color);
       if (is_solid_color) {
         tile->draw_info().set_solid_color(color);
         tile->draw_info().set_was_ever_ready_to_draw();
         if (!tile_is_needed_now)
           tile->draw_info().set_was_a_prepaint_tile();
         client_->NotifyTileStateChanged(tile);
@@ skipping 680 matching lines @@
   all_tile_tasks_completed = false;
   did_notify_all_tile_tasks_completed = false;
 }
 
 TileManager::PrioritizedWorkToSchedule::PrioritizedWorkToSchedule() = default;
 TileManager::PrioritizedWorkToSchedule::PrioritizedWorkToSchedule(
     PrioritizedWorkToSchedule&& other) = default;
 TileManager::PrioritizedWorkToSchedule::~PrioritizedWorkToSchedule() = default;
 
 }  // namespace cc