cc: Simplify picture layer tiling update tile priorities.

cc/test/fake_picture_layer_tiling_client.h

Index: cc/test/fake_picture_layer_tiling_client.h
diff --git a/cc/test/fake_picture_layer_tiling_client.h b/cc/test/fake_picture_layer_tiling_client.h
index 6383a22193afe4831c35a8cc856333796f8787b8..5989bba5c64eba19bb0ba00be8505f8328565d5e 100644
--- a/cc/test/fake_picture_layer_tiling_client.h
+++ b/cc/test/fake_picture_layer_tiling_client.h
@@ -26,6 +26,9 @@ class FakePictureLayerTilingClient : public PictureLayerTilingClient {
   virtual void UpdatePile(Tile* tile) OVERRIDE {}
   virtual gfx::Size CalculateTileSize(
       const gfx::Size& content_bounds) const OVERRIDE;
+  virtual size_t GetMaxTilesForInterestArea() const OVERRIDE;
+  virtual float GetSkewportTargetTimeInSeconds() const OVERRIDE;
+  virtual int GetSkewportExtrapolationLimitInContentPixels() const OVERRIDE;
 
   void SetTileSize(const gfx::Size& tile_size);
   gfx::Size TileSize() const { return tile_size_; }
@@ -40,6 +43,15 @@ class FakePictureLayerTilingClient : public PictureLayerTilingClient {
   void set_text_rect(const gfx::Rect& rect) { text_rect_ = rect; }
   void set_allow_create_tile(bool allow) { allow_create_tile_ = allow; }
   void set_invalidation(const Region& region) { invalidation_ = region; }
+  void set_max_tiles_for_interest_area(size_t area) {
+    max_tiles_for_interest_area_ = area;
+  }
+  void set_skewport_target_time_in_seconds(float time) {
+    skewport_target_time_in_seconds_ = time;
+  }
+  void set_skewport_extrapolation_limit_in_content_pixels(int limit) {
+    skewport_extrapolation_limit_in_content_pixels_ = limit;
+  }
 
   TileManager* tile_manager() const {
     return tile_manager_.get();
@@ -54,6 +66,9 @@ class FakePictureLayerTilingClient : public PictureLayerTilingClient {
   gfx::Rect text_rect_;
   bool allow_create_tile_;
   Region invalidation_;
+  size_t max_tiles_for_interest_area_;
+  float skewport_target_time_in_seconds_;
+  int skewport_extrapolation_limit_in_content_pixels_;
 };
 
 }  // namespace cc