cc: Remove unused PictureDrawQuad support from GLRenderer.

cc/resources/tile_draw_info.h

Index: cc/resources/tile_draw_info.h
diff --git a/cc/resources/tile_draw_info.h b/cc/resources/tile_draw_info.h
index 54ca946a23247b0fb32abcd0c89d18b17aea2505..0c6bbf61286b5d8f57f7e2fefe5d3579da608dd0 100644
--- a/cc/resources/tile_draw_info.h
+++ b/cc/resources/tile_draw_info.h
@@ -17,7 +17,7 @@ namespace cc {
 // This class holds all the state relevant to drawing a tile.
 class CC_EXPORT TileDrawInfo {
  public:
-  enum Mode { RESOURCE_MODE, SOLID_COLOR_MODE, PICTURE_PILE_MODE };
+  enum Mode { RESOURCE_MODE, SOLID_COLOR_MODE, OOM_MODE };
 
   TileDrawInfo();
   ~TileDrawInfo();
@@ -49,7 +49,7 @@ class CC_EXPORT TileDrawInfo {
   }
 
   bool requires_resource() const {
-    return mode_ == RESOURCE_MODE || mode_ == PICTURE_PILE_MODE;
+    return mode_ == RESOURCE_MODE || mode_ == OOM_MODE;
   }
 
   inline bool has_resource() const { return !!resource_; }
@@ -72,7 +72,7 @@ class CC_EXPORT TileDrawInfo {
     solid_color_ = color;
   }
 
-  void set_rasterize_on_demand() { mode_ = PICTURE_PILE_MODE; }
+  void set_oom() { mode_ = OOM_MODE; }
 
   Mode mode_;
   SkColor solid_color_;