Don't use DF text during animations

cc/playback/raster_source.cc

Index: cc/playback/raster_source.cc
diff --git a/cc/playback/raster_source.cc b/cc/playback/raster_source.cc
index 1514383f51cac6701026ce64af9603c5a9401fce..ab9969ac71cba2ba4e333c0ced97b64b7f346e9d 100644
--- a/cc/playback/raster_source.cc
+++ b/cc/playback/raster_source.cc
@@ -40,7 +40,6 @@ RasterSource::RasterSource(const RecordingSource* other, bool can_use_lcd_text)
       clear_canvas_with_debug_color_(other->clear_canvas_with_debug_color_),
       slow_down_raster_scale_factor_for_debug_(
           other->slow_down_raster_scale_factor_for_debug_),
-      should_attempt_to_use_distance_field_text_(false),
       image_decode_cache_(nullptr) {}
 
 RasterSource::RasterSource(const RasterSource* other, bool can_use_lcd_text)
@@ -56,8 +55,6 @@ RasterSource::RasterSource(const RasterSource* other, bool can_use_lcd_text)
       clear_canvas_with_debug_color_(other->clear_canvas_with_debug_color_),
       slow_down_raster_scale_factor_for_debug_(
           other->slow_down_raster_scale_factor_for_debug_),
-      should_attempt_to_use_distance_field_text_(
-          other->should_attempt_to_use_distance_field_text_),
       image_decode_cache_(other->image_decode_cache_) {}
 
 RasterSource::~RasterSource() {
@@ -277,14 +274,6 @@ gfx::Rect RasterSource::RecordedViewport() const {
   return recorded_viewport_;
 }
 
-void RasterSource::SetShouldAttemptToUseDistanceFieldText() {
-  should_attempt_to_use_distance_field_text_ = true;
-}
-
-bool RasterSource::ShouldAttemptToUseDistanceFieldText() const {
-  return should_attempt_to_use_distance_field_text_;
-}
-
 void RasterSource::AsValueInto(base::trace_event::TracedValue* array) const {
   if (display_list_.get())
     TracedValue::AppendIDRef(display_list_.get(), array);