Remove GpuInfo::can_lose_context.

gpu/config/gpu_info_collector_linux.cc

 // Copyright 2014 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 "gpu/config/gpu_info_collector_linux.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <vector>
@@ skipping 150 matching lines @@
 #endif
 }
 
 }  // namespace anonymous
 
 CollectInfoResult CollectContextGraphicsInfo(GPUInfo* gpu_info) {
   DCHECK(gpu_info);
 
   TRACE_EVENT0("gpu", "gpu_info_collector::CollectGraphicsInfo");
 
-  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kGpuNoContextLost)) {
-    gpu_info->can_lose_context = false;
-  } else {
-#if defined(OS_CHROMEOS)
-    gpu_info->can_lose_context = false;
-#else
-    // TODO(zmo): need to consider the case where we are running on top
-    // of desktop GL and GL_ARB_robustness extension is available.
-    gpu_info->can_lose_context =
-        (gl::GetGLImplementation() == gl::kGLImplementationEGLGLES2);
-#endif
-  }
-
   CollectInfoResult result = CollectGraphicsInfoGL(gpu_info);
   gpu_info->context_info_state = result;
   return result;
 }
 
 CollectInfoResult CollectGpuID(uint32_t* vendor_id, uint32_t* device_id) {
   DCHECK(vendor_id && device_id);
   *vendor_id = 0;
   *device_id = 0;
 
@@ skipping 90 matching lines @@
   gpu_info->driver_version = driver_version;
   return kCollectInfoSuccess;
 }
 
 void MergeGPUInfo(GPUInfo* basic_gpu_info,
                   const GPUInfo& context_gpu_info) {
   MergeGPUInfoGL(basic_gpu_info, context_gpu_info);
 }
 
 }  // namespace gpu