Disabled extensions in bug list now automatically removes the extension.

content/browser/gpu/gpu_data_manager_impl_private.cc

 // Copyright (c) 2013 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_data_manager_impl_private.h"
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
@@ skipping 641 matching lines @@
   if (!swiftshader_path.empty()) {
     command_line->AppendSwitchPath(switches::kSwiftShaderPath,
                                    swiftshader_path);
   }
 
   if (!gpu_driver_bugs_.empty()) {
     command_line->AppendSwitchASCII(switches::kGpuDriverBugWorkarounds,
                                     IntSetToString(gpu_driver_bugs_));
   }
 
+  if (!disabled_extensions_.empty()) {
+    command_line->AppendSwitchASCII(switches::kDisableGLExtensions,
+                                    disabled_extensions_);
+  }
+
   if (ShouldDisableAcceleratedVideoDecode(command_line)) {
     command_line->AppendSwitch(switches::kDisableAcceleratedVideoDecode);
   }
 #if defined(ENABLE_WEBRTC)
   if (IsFeatureBlacklisted(gpu::GPU_FEATURE_TYPE_ACCELERATED_VIDEO_ENCODE) &&
       !command_line->HasSwitch(switches::kDisableWebRtcHWEncoding)) {
     command_line->AppendSwitch(switches::kDisableWebRtcHWEncoding);
   }
 #endif
 
@@ skipping 514 matching lines @@
   gpu_info_.context_info_state = gpu::kCollectInfoFatalFailure;
 #if defined(OS_WIN)
   gpu_info_.dx_diagnostics_info_state = gpu::kCollectInfoFatalFailure;
 #endif
   complete_gpu_info_already_requested_ = true;
   // Some observers might be waiting.
   NotifyGpuInfoUpdate();
 }
 
 }  // namespace content