stop using SkXfermode -- use SkBlendMode instead

cc/surfaces/surface_aggregator_unittest.cc

 // Copyright 2014 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.
 
 #include "cc/surfaces/surface_aggregator.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <utility>
@@ skipping 813 matching lines @@
 
   ASSERT_EQ(render_pass_quads[1]->material, DrawQuad::RENDER_PASS);
   EXPECT_EQ(
       actual_pass_ids[1],
       RenderPassDrawQuad::MaterialCast(render_pass_quads[1])->render_pass_id);
   factory_.Destroy(child_local_frame_id);
 }
 
 void AddSolidColorQuadWithBlendMode(const gfx::Size& size,
                                     RenderPass* pass,
-                                    const SkXfermode::Mode blend_mode) {
+                                    const SkBlendMode blend_mode) {
   const gfx::Transform layer_to_target_transform;
   const gfx::Size layer_bounds(size);
   const gfx::Rect visible_layer_rect(size);
   const gfx::Rect clip_rect(size);
 
   bool is_clipped = false;
   float opacity = 1.f;
 
   bool force_anti_aliasing_off = false;
   SharedQuadState* sqs = pass->CreateAndAppendSharedQuadState();
@@ skipping 28 matching lines @@
 //
 // Resulting in the following aggregated pass:
 //  quad_root_0       - blend_mode kClear_Mode
 //  quad_child_one_0  - blend_mode kSrc_Mode
 //  quad_grandchild_0 - blend_mode kDst_Mode
 //  quad_child_one_1  - blend_mode kSrcOver_Mode
 //  quad_root_1       - blend_mode kDstOver_Mode
 //  quad_child_two_0  - blend_mode kSrcIn_Mode
 //  quad_root_2       - blend_mode kDstIn_Mode
 TEST_F(SurfaceAggregatorValidSurfaceTest, AggregateSharedQuadStateProperties) {
-  const SkXfermode::Mode blend_modes[] = {SkXfermode::kClear_Mode,    // 0
-                                          SkXfermode::kSrc_Mode,      // 1
-                                          SkXfermode::kDst_Mode,      // 2
-                                          SkXfermode::kSrcOver_Mode,  // 3
-                                          SkXfermode::kDstOver_Mode,  // 4
-                                          SkXfermode::kSrcIn_Mode,    // 5
-                                          SkXfermode::kDstIn_Mode,    // 6
+  const SkBlendMode blend_modes[] = {
+      SkBlendMode::kClear,    // 0
+      SkBlendMode::kSrc,      // 1
+      SkBlendMode::kDst,      // 2
+      SkBlendMode::kSrcOver,  // 3
+      SkBlendMode::kDstOver,  // 4
+      SkBlendMode::kSrcIn,    // 5
+      SkBlendMode::kDstIn,    // 6
   };
 
   RenderPassId pass_id(1, 1);
   LocalFrameId grandchild_local_frame_id = allocator_.GenerateId();
   SurfaceId grandchild_surface_id(factory_.frame_sink_id(),
                                   grandchild_local_frame_id);
   factory_.Create(grandchild_local_frame_id);
   std::unique_ptr<RenderPass> grandchild_pass = RenderPass::Create();
   gfx::Rect output_rect(SurfaceSize());
   gfx::Rect damage_rect(SurfaceSize());
@@ skipping 1112 matching lines @@
   // Output is insecure, so texture should be drawn.
   EXPECT_EQ(DrawQuad::SOLID_COLOR, render_pass->quad_list.back()->material);
 
   factory.Destroy(local_frame1_id);
   factory.Destroy(local_frame2_id);
 }
 
 }  // namespace
 }  // namespace cc