cc: Distinguish single texture mask from normal masks

cc/test/fake_picture_layer_impl.h

Index: cc/test/fake_picture_layer_impl.h
diff --git a/cc/test/fake_picture_layer_impl.h b/cc/test/fake_picture_layer_impl.h
index f0bf7622c75516e085f56a296db0dd6275d0d179..54479ef30e253403c03c5a3c3a346857f2f1f9b9 100644
--- a/cc/test/fake_picture_layer_impl.h
+++ b/cc/test/fake_picture_layer_impl.h
@@ -22,14 +22,27 @@ class FakePictureLayerImpl : public PictureLayerImpl {
   static std::unique_ptr<FakePictureLayerImpl> Create(LayerTreeImpl* tree_impl,
                                                       int id) {
     bool is_mask = false;
-    return base::WrapUnique(new FakePictureLayerImpl(tree_impl, id, is_mask));
+    bool is_single_texture_mask = false;
+    return base::WrapUnique(new FakePictureLayerImpl(tree_impl, id, is_mask,
+                                                     is_single_texture_mask));
   }
 
   static std::unique_ptr<FakePictureLayerImpl> CreateMask(
       LayerTreeImpl* tree_impl,
       int id) {
     bool is_mask = true;
-    return base::WrapUnique(new FakePictureLayerImpl(tree_impl, id, is_mask));
+    bool is_single_texture_mask = false;
+    return base::WrapUnique(new FakePictureLayerImpl(tree_impl, id, is_mask,
+                                                     is_single_texture_mask));
+  }
+
+  static std::unique_ptr<FakePictureLayerImpl> CreateSingleTextureMask(
+      LayerTreeImpl* tree_impl,
+      int id) {
+    bool is_mask = true;
+    bool is_single_texture_mask = true;
+    return base::WrapUnique(new FakePictureLayerImpl(tree_impl, id, is_mask,
+                                                     is_single_texture_mask));
   }
 
   // Create layer from a raster source that covers the entire layer.
@@ -38,8 +51,9 @@ class FakePictureLayerImpl : public PictureLayerImpl {
       int id,
       scoped_refptr<RasterSource> raster_source) {
     bool is_mask = false;
-    return base::WrapUnique(
-        new FakePictureLayerImpl(tree_impl, id, raster_source, is_mask));
+    bool is_single_texture_mask = false;
+    return base::WrapUnique(new FakePictureLayerImpl(
+        tree_impl, id, raster_source, is_mask, is_single_texture_mask));
   }
 
   // Create layer from a raster source that only covers part of the layer.
@@ -49,8 +63,10 @@ class FakePictureLayerImpl : public PictureLayerImpl {
       scoped_refptr<RasterSource> raster_source,
       const gfx::Size& layer_bounds) {
     bool is_mask = false;
-    return base::WrapUnique(new FakePictureLayerImpl(
-        tree_impl, id, raster_source, is_mask, layer_bounds));
+    bool is_single_texture_mask = false;
+    return base::WrapUnique(
+        new FakePictureLayerImpl(tree_impl, id, raster_source, is_mask,
+                                 is_single_texture_mask, layer_bounds));
   }
 
   // Create layer from a raster source that covers the entire layer and is a
@@ -60,8 +76,20 @@ class FakePictureLayerImpl : public PictureLayerImpl {
       int id,
       scoped_refptr<RasterSource> raster_source) {
     bool is_mask = true;
-    return base::WrapUnique(
-        new FakePictureLayerImpl(tree_impl, id, raster_source, is_mask));
+    bool is_single_texture_mask = false;
+    return base::WrapUnique(new FakePictureLayerImpl(
+        tree_impl, id, raster_source, is_mask, is_single_texture_mask));
+  }
+
+  static std::unique_ptr<FakePictureLayerImpl>
+  CreateSingleTextureMaskWithRasterSource(
+      LayerTreeImpl* tree_impl,
+      int id,
+      scoped_refptr<RasterSource> raster_source) {
+    bool is_mask = true;
+    bool is_single_texture_mask = true;
+    return base::WrapUnique(new FakePictureLayerImpl(
+        tree_impl, id, raster_source, is_mask, is_single_texture_mask));
   }
 
   std::unique_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override;
@@ -155,13 +183,18 @@ class FakePictureLayerImpl : public PictureLayerImpl {
   FakePictureLayerImpl(LayerTreeImpl* tree_impl,
                        int id,
                        scoped_refptr<RasterSource> raster_source,
-                       bool is_mask);
+                       bool is_mask,
+                       bool is_single_texture_mask);
   FakePictureLayerImpl(LayerTreeImpl* tree_impl,
                        int id,
                        scoped_refptr<RasterSource> raster_source,
                        bool is_mask,
+                       bool is_single_texture_mask,
                        const gfx::Size& layer_bounds);
-  FakePictureLayerImpl(LayerTreeImpl* tree_impl, int id, bool is_mask);
+  FakePictureLayerImpl(LayerTreeImpl* tree_impl,
+                       int id,
+                       bool is_mask,
+                       bool is_single_texture_mask);
 
  private:
   gfx::Size fixed_tile_size_;