Remove GpuInfo::can_lose_context.

gpu/config/gpu_info_collector_win.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 "gpu/config/gpu_info_collector.h"
 
 // This has to be included before windows.h.
 #include "third_party/re2/src/re2/re2.h"
 
 #include <windows.h>
@@ skipping 308 matching lines @@
                         " Direct3D(\\w+)",
                         &direct3d_version) &&
       RE2::PartialMatch(gpu_info->gl_renderer,
                         " vs_(\\d+)_(\\d+)",
                         &vertex_shader_major_version,
                         &vertex_shader_minor_version) &&
       RE2::PartialMatch(gpu_info->gl_renderer,
                         " ps_(\\d+)_(\\d+)",
                         &pixel_shader_major_version,
                         &pixel_shader_minor_version)) {
-    gpu_info->can_lose_context = direct3d_version == "9";
     gpu_info->vertex_shader_version =
         base::StringPrintf("%d.%d",
                            vertex_shader_major_version,
                            vertex_shader_minor_version);
     gpu_info->pixel_shader_version =
         base::StringPrintf("%d.%d",
                            pixel_shader_major_version,
                            pixel_shader_minor_version);
 
     // ANGLE's EGL vendor strings are of the form:
@@ skipping 154 matching lines @@
   }
 
   MergeGPUInfoGL(basic_gpu_info, context_gpu_info);
 
   basic_gpu_info->dx_diagnostics_info_state =
       context_gpu_info.dx_diagnostics_info_state;
   basic_gpu_info->dx_diagnostics = context_gpu_info.dx_diagnostics;
 }
 
 }  // namespace gpu