Cache gpu suitability in DisplayItemList, remove SetUnsuitable...ForTesting

cc/playback/display_list_recording_source.cc

Index: cc/playback/display_list_recording_source.cc
diff --git a/cc/playback/display_list_recording_source.cc b/cc/playback/display_list_recording_source.cc
index 1ed5a1ff9adb1b2cc75f1ef0b09ecd2111f9a995..48eef43557fb9aa8d4e5b9aa3b8c50ec8784cfa7 100644
--- a/cc/playback/display_list_recording_source.cc
+++ b/cc/playback/display_list_recording_source.cc
@@ -219,10 +219,6 @@ void DisplayListRecordingSource::SetRequiresClear(bool requires_clear) {
   requires_clear_ = requires_clear;
 }
 
-void DisplayListRecordingSource::SetUnsuitableForGpuRasterizationForTesting() {
-  is_suitable_for_gpu_rasterization_ = false;
-}
-
 bool DisplayListRecordingSource::IsSuitableForGpuRasterization() const {
   return is_suitable_for_gpu_rasterization_;

[danakj, 2015/09/16 23:04:49]

do we need this bool anymore, or should we just ask the display_list_ here?

[pdr., 2015/09/17 20:52:45]

We don't need it, but we need to cache the value somewhere. I've updated the
patch to cache this in display_list_.

 }