Add "panel_fitting" GPU feature type and use it for mirror mode.

content/browser/gpu/gpu_util_unittest.cc

 // Copyright (c) 2011 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 "content/browser/gpu/gpu_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gl/gl_switches.h"
 
 using content::GpuFeatureType;
 
@@ skipping 12 matching lines @@
   EXPECT_EQ(gpu_util::StringToGpuFeatureType("flash_stage3d"),
             content::GPU_FEATURE_TYPE_FLASH_STAGE3D);
   EXPECT_EQ(gpu_util::StringToGpuFeatureType("texture_sharing"),
             content::GPU_FEATURE_TYPE_TEXTURE_SHARING);
   EXPECT_EQ(gpu_util::StringToGpuFeatureType("accelerated_video_decode"),
             content::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_DECODE);
   EXPECT_EQ(gpu_util::StringToGpuFeatureType("3d_css"),
             content::GPU_FEATURE_TYPE_3D_CSS);
   EXPECT_EQ(gpu_util::StringToGpuFeatureType("accelerated_video"),
             content::GPU_FEATURE_TYPE_ACCELERATED_VIDEO);
+  EXPECT_EQ(gpu_util::StringToGpuFeatureType("panel_fitting"),
+            content::GPU_FEATURE_TYPE_PANEL_FITTING);
   EXPECT_EQ(gpu_util::StringToGpuFeatureType("all"),
             content::GPU_FEATURE_TYPE_ALL);
   EXPECT_EQ(gpu_util::StringToGpuFeatureType("xxx"),
             content::GPU_FEATURE_TYPE_UNKNOWN);
 }
 
 TEST(GpuUtilsTest, GpuFeatureTypeToString) {
   // Test GpuFeatureTypeToString for single-bit enums using the all enum
   EXPECT_STREQ(
       gpu_util::GpuFeatureTypeToString(
@@ skipping 30 matching lines @@
   EXPECT_STREQ(
       gpu_util::GpuFeatureTypeToString(
           content::GPU_FEATURE_TYPE_3D_CSS).c_str(),
       "3d_css");
   EXPECT_STREQ(
       gpu_util::GpuFeatureTypeToString(
           content::GPU_FEATURE_TYPE_ACCELERATED_VIDEO).c_str(),
       "accelerated_video");
   EXPECT_STREQ(
       gpu_util::GpuFeatureTypeToString(
+          content::GPU_FEATURE_TYPE_PANEL_FITTING).c_str(),
+      "panel_fitting");
+  EXPECT_STREQ(
+      gpu_util::GpuFeatureTypeToString(
           content::GPU_FEATURE_TYPE_ALL).c_str(),
       "all");
   EXPECT_STREQ(gpu_util::GpuFeatureTypeToString(
           content::GPU_FEATURE_TYPE_UNKNOWN).c_str(),
       "unknown");
   EXPECT_STREQ(
       gpu_util::GpuFeatureTypeToString(
           static_cast<content::GpuFeatureType>(
               content::GPU_FEATURE_TYPE_WEBGL |
               content::GPU_FEATURE_TYPE_MULTISAMPLING)).c_str(),
@@ skipping 30 matching lines @@
   EXPECT_STREQ(
       gpu_util::GpuSwitchingOptionToString(
           content::GPU_SWITCHING_OPTION_FORCE_DISCRETE).c_str(),
       switches::kGpuSwitchingOptionNameForceDiscrete);
   EXPECT_STREQ(
       gpu_util::GpuSwitchingOptionToString(
           content::GPU_SWITCHING_OPTION_FORCE_INTEGRATED).c_str(),
       switches::kGpuSwitchingOptionNameForceIntegrated);
 }