Disable WebGL on Android by default (but allow it to be enabled)

chrome/browser/gpu_util.cc

 // Copyright (c) 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 "chrome/browser/gpu_util.h"
 
 #include <vector>
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
@@ skipping 314 matching lines @@
           "css_animation",
           flags & content::GPU_FEATURE_TYPE_ACCELERATED_COMPOSITING,
           command_line.HasSwitch(switches::kDisableThreadedAnimation) ||
           command_line.HasSwitch(switches::kDisableAcceleratedCompositing),
           "Accelerated CSS animation has been disabled at the command line.",
           true
       },
       {
           "webgl",
           flags & content::GPU_FEATURE_TYPE_WEBGL,
+#if defined(OS_ANDROID)
+          !command_line.HasSwitch(switches::kEnableExperimentalWebGL),
+#else
           command_line.HasSwitch(switches::kDisableExperimentalWebGL),
+#endif
           "WebGL has been disabled, either via about:flags or command line.",
           false
       },
       {
           "multisampling",
           flags & content::GPU_FEATURE_TYPE_MULTISAMPLING,
           command_line.HasSwitch(switches::kDisableGLMultisampling),
           "Multisampling has been disabled, either via about:flags or command"
           " line.",
           false
@@ skipping 224 matching lines @@
       content::GPU_FEATURE_TYPE_WEBGL
   };
   const std::string kGpuBlacklistFeatureHistogramNames[] = {
       "GPU.BlacklistFeatureTestResults.Accelerated2dCanvas",
       "GPU.BlacklistFeatureTestResults.AcceleratedCompositing",
       "GPU.BlacklistFeatureTestResults.Webgl"
   };
   const bool kGpuFeatureUserFlags[] = {
       command_line.HasSwitch(switches::kDisableAccelerated2dCanvas),
       command_line.HasSwitch(switches::kDisableAcceleratedCompositing),
+#if defined(OS_ANDROID)
+      !command_line.HasSwitch(switches::kEnableExperimentalWebGL)
+#else
       command_line.HasSwitch(switches::kDisableExperimentalWebGL)
+#endif
   };
 #if defined(OS_WIN)
   const std::string kGpuBlacklistFeatureHistogramNamesWin[] = {
       "GPU.BlacklistFeatureTestResultsWindows.Accelerated2dCanvas",
       "GPU.BlacklistFeatureTestResultsWindows.AcceleratedCompositing",
       "GPU.BlacklistFeatureTestResultsWindows.Webgl"
   };
 #endif
   const size_t kNumFeatures =
       sizeof(kGpuFeatures) / sizeof(content::GpuFeatureType);
@@ skipping 15 matching lines @@
         kGpuBlacklistFeatureHistogramNamesWin[i],
         1, kNumWinSubVersions * kGpuFeatureNumStatus,
         kNumWinSubVersions * kGpuFeatureNumStatus + 1,
         base::Histogram::kUmaTargetedHistogramFlag);
     histogram_pointer->Add(GetGpuBlacklistHistogramValueWin(value));
 #endif
   }
 }
 
 }  // namespace gpu_util;