stop using SkXfermode -- use SkBlendMode instead

cc/test/render_pass_test_utils.h

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_TEST_RENDER_PASS_TEST_UTILS_H_
 #define CC_TEST_RENDER_PASS_TEST_UTILS_H_
 
 #include <stdint.h>
 
 #include "cc/output/filter_operations.h"
@@ skipping 36 matching lines @@
 
 // Adds a render pass quad to an existing render pass.
 void AddRenderPassQuad(RenderPass* to_pass, RenderPass* contributing_pass);
 
 // Adds a render pass quad with the given mask resource, filter, and transform.
 void AddRenderPassQuad(RenderPass* to_pass,
                        RenderPass* contributing_pass,
                        ResourceId mask_resource_id,
                        const FilterOperations& filters,
                        gfx::Transform transform,
-                       SkXfermode::Mode blend_mode);
+                       SkBlendMode blend_mode);
 
 void AddOneOfEveryQuadType(RenderPass* to_pass,
                            ResourceProvider* resource_provider,
                            RenderPassId child_pass,
                            gpu::SyncToken* sync_token_for_mailbox_texture);
 
 }  // namespace cc
 
 #endif  // CC_TEST_RENDER_PASS_TEST_UTILS_H_