Added support for EXT_frag_depth

content/renderer/render_thread_impl.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 "content/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 710 matching lines @@
     WebRuntimeFeatures::enableFileSystem(false);
 
   if (command_line.HasSwitch(switches::kDisableJavaScriptI18NAPI))
     WebRuntimeFeatures::enableJavaScriptI18NAPI(false);
 
   if (command_line.HasSwitch(switches::kEnableExperimentalCanvasFeatures))
     WebRuntimeFeatures::enableExperimentalCanvasFeatures(true);
 
   if (command_line.HasSwitch(switches::kEnableSpeechSynthesis))
     WebRuntimeFeatures::enableSpeechSynthesis(true);
+
+  if (command_line.HasSwitch(switches::kEnableWebGLDraftExtensions))
+    WebRuntimeFeatures::enableWebGLDraftExtensions(true);
 }
 
 void RenderThreadImpl::EnsureWebKitInitialized() {
   if (webkit_platform_support_)
     return;
 
   webkit_platform_support_.reset(new RendererWebKitPlatformSupportImpl);
   WebKit::initialize(webkit_platform_support_.get());
   WebKit::setSharedWorkerRepository(
       webkit_platform_support_.get()->sharedWorkerRepository());
@@ skipping 588 matching lines @@
 
 void RenderThreadImpl::SetFlingCurveParameters(
     const std::vector<float>& new_touchpad,
     const std::vector<float>& new_touchscreen) {
   webkit_platform_support_->SetFlingCurveParameters(new_touchpad,
                                                     new_touchscreen);
 
 }
 
 }  // namespace content