[cc] Add SkBlendMode::kDstIn support to cc::Layer

cc/output/gl_renderer_unittest.cc

 // 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.
 
 #include "cc/output/gl_renderer.h"
 
 #include <stdint.h>
 
 #include <set>
 #include <vector>
@@ skipping 66 matching lines @@
   do {                                             \
     EXPECT_TRUE((program_binding)->program());     \
     EXPECT_TRUE((program_binding)->initialized()); \
   } while (false)
 
 static inline SkBlendMode BlendModeToSkXfermode(BlendMode blend_mode) {
   switch (blend_mode) {
     case BLEND_MODE_NONE:
     case BLEND_MODE_NORMAL:
       return SkBlendMode::kSrcOver;
+    case BLEND_MODE_DESTINATION_IN:
+      return SkBlendMode::kDstIn;
     case BLEND_MODE_SCREEN:
       return SkBlendMode::kScreen;
     case BLEND_MODE_OVERLAY:
       return SkBlendMode::kOverlay;
     case BLEND_MODE_DARKEN:
       return SkBlendMode::kDarken;
     case BLEND_MODE_LIGHTEN:
       return SkBlendMode::kLighten;
     case BLEND_MODE_COLOR_DODGE:
       return SkBlendMode::kColorDodge;
@@ skipping 132 matching lines @@
 
 namespace {
 
 #if !defined(OS_ANDROID) && !defined(OS_WIN)
 static const TexCoordPrecision kPrecisionList[] = {TEX_COORD_PRECISION_MEDIUM,
                                                    TEX_COORD_PRECISION_HIGH};
 
 static const BlendMode kBlendModeList[LAST_BLEND_MODE + 1] = {
     BLEND_MODE_NONE,
     BLEND_MODE_NORMAL,
+    BLEND_MODE_DESTINATION_IN,
     BLEND_MODE_SCREEN,
     BLEND_MODE_OVERLAY,
     BLEND_MODE_DARKEN,
     BLEND_MODE_LIGHTEN,
     BLEND_MODE_COLOR_DODGE,
     BLEND_MODE_COLOR_BURN,
     BLEND_MODE_HARD_LIGHT,
     BLEND_MODE_SOFT_LIGHT,
     BLEND_MODE_DIFFERENCE,
     BLEND_MODE_EXCLUSION,
@@ skipping 1732 matching lines @@
   renderer_->SetVisible(true);
   Mock::VerifyAndClearExpectations(context_support_ptr_);
 
   EXPECT_CALL(*context_support_ptr_, SetAggressivelyFreeResources(true));
   renderer_->SetVisible(false);
   Mock::VerifyAndClearExpectations(context_support_ptr_);
 }
 
 }  // namespace
 }  // namespace cc