cc: Remove cheapness estimator usage from tile manager.

cc/base/switches.cc

 // Copyright (c) 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/base/switches.h"
 
 #include "base/command_line.h"
 
 namespace cc {
 namespace switches {
@@ skipping 17 matching lines @@
 
 // Paint content on the compositor thread instead of the main thread.
 const char kEnableImplSidePainting[] = "enable-impl-side-painting";
 
 // Try to finish display pipeline before vsync tick
 const char kEnableRightAlignedScheduling[] = "enable-right-aligned-scheduling";
 
 const char kEnableTopControlsPositionCalculation[] =
     "enable-top-controls-position-calculation";
 
-// Enable solid tile color, transparent tile, and cheapness prediction metrics.
+// Enable solid tile color and transparent tile metrics.
 const char kEnablePredictionBenchmarking[] = "enable-prediction-benchmarking";
 
 // The height of the movable top controls.
 const char kTopControlsHeight[] = "top-controls-height";
 
 // Percentage of the top controls need to be hidden before they will auto hide.
 const char kTopControlsHideThreshold[] = "top-controls-hide-threshold";
 
 // Percentage of the top controls need to be shown before they will auto show.
 const char kTopControlsShowThreshold[] = "top-controls-show-threshold";
 
 // Number of worker threads used to rasterize content.
 const char kNumRasterThreads[] = "num-raster-threads";
 
 // Show metrics about overdraw in about:tracing recordings, such as the number
 // of pixels culled, and the number of pixels drawn, for each frame.
 const char kTraceOverdraw[] = "trace-overdraw";
 
 // Logs all rendered frames.
 const char kTraceAllRenderedFrames[] = "trace-all-rendered-frames";
 
 // Re-rasters everything multiple times to simulate a much slower machine.
 // Give a scale factor to cause raster to take that many times longer to
 // complete, such as --slow-down-raster-scale-factor=25.
 const char kSlowDownRasterScaleFactor[] = "slow-down-raster-scale-factor";
 
-// Disable scheduling of rasterization jobs according to their estimated
-// processing cost.
-const char kDisableCheapnessEstimator[] = "disable-cheapness-estimator";
-
 // The scale factor for low resolution tile contents.
 const char kLowResolutionContentsScaleFactor[] =
     "low-resolution-contents-scale-factor";
 
 // Max tiles allowed for each tilings interest area.
 const char kMaxTilesForInterestArea[] = "max-tiles-for-interest-area";
 
 // The amount of unused resource memory compositor is allowed to keep around.
 const char kMaxUnusedResourceMemoryUsagePercentage[] =
     "max-unused-resource-memory-usage-percentage";
@@ skipping 72 matching lines @@
 
 #if defined(OS_ANDROID)
   return true;
 #else
   return false;
 #endif
 }
 
 }  // namespace switches
 }  // namespace cc