cc: Calculate "can use lcd text" on the compositor thread

cc/resources/picture_pile_impl.cc

Index: cc/resources/picture_pile_impl.cc
diff --git a/cc/resources/picture_pile_impl.cc b/cc/resources/picture_pile_impl.cc
index d629888b871e855fb6a98fa4ad7e7a5fb13b586f..a9bad90a9240c6f15f712a1d078837fab8563ba7 100644
--- a/cc/resources/picture_pile_impl.cc
+++ b/cc/resources/picture_pile_impl.cc
@@ -19,14 +19,15 @@
 namespace cc {
 
 scoped_refptr<PicturePileImpl> PicturePileImpl::CreateFromPicturePile(
-    const PicturePile* other) {
-  return make_scoped_refptr(new PicturePileImpl(other));
+    const PicturePile* other,
+    bool can_use_lcd_text) {
+  return make_scoped_refptr(new PicturePileImpl(other, can_use_lcd_text));
 }
 
 PicturePileImpl::PicturePileImpl()
     : background_color_(SK_ColorTRANSPARENT),
       requires_clear_(true),
-      can_use_lcd_text_(false),
+      can_use_lcd_text_(true),
       is_solid_color_(false),
       solid_color_(SK_ColorTRANSPARENT),
       has_any_recordings_(false),
@@ -36,12 +37,13 @@ PicturePileImpl::PicturePileImpl()
       should_attempt_to_use_distance_field_text_(false) {
 }
 
-PicturePileImpl::PicturePileImpl(const PicturePile* other)
+PicturePileImpl::PicturePileImpl(const PicturePile* other,
+                                 bool can_use_lcd_text)
     : picture_map_(other->picture_map_),
       tiling_(other->tiling_),
       background_color_(other->background_color_),
       requires_clear_(other->requires_clear_),
-      can_use_lcd_text_(other->can_use_lcd_text_),
+      can_use_lcd_text_(can_use_lcd_text),
       is_solid_color_(other->is_solid_color_),
       solid_color_(other->solid_color_),
       recorded_viewport_(other->recorded_viewport_),
@@ -53,6 +55,25 @@ PicturePileImpl::PicturePileImpl(const PicturePile* other)
       should_attempt_to_use_distance_field_text_(false) {
 }
 
+PicturePileImpl::PicturePileImpl(const PicturePileImpl* other,
+                                 bool can_use_lcd_text)
+    : picture_map_(other->picture_map_),
+      tiling_(other->tiling_),
+      background_color_(other->background_color_),
+      requires_clear_(other->requires_clear_),
+      can_use_lcd_text_(can_use_lcd_text),
+      is_solid_color_(other->is_solid_color_),
+      solid_color_(other->solid_color_),
+      recorded_viewport_(other->recorded_viewport_),
+      has_any_recordings_(other->has_any_recordings_),
+      clear_canvas_with_debug_color_(other->clear_canvas_with_debug_color_),
+      min_contents_scale_(other->min_contents_scale_),
+      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_) {
+}
+
 PicturePileImpl::~PicturePileImpl() {
 }
 
@@ -383,6 +404,13 @@ bool PicturePileImpl::CanUseLCDText() const {
   return can_use_lcd_text_;
 }
 
+scoped_refptr<RasterSource> PicturePileImpl::CreateCloneWithoutLCDText() const {
+  DCHECK(CanUseLCDText());
+  bool can_use_lcd_text = false;
+  return scoped_refptr<RasterSource>(
+      new PicturePileImpl(this, can_use_lcd_text));
+}
+
 PicturePileImpl::PixelRefIterator::PixelRefIterator(
     const gfx::Rect& content_rect,
     float contents_scale,