Crash fix for when running under the Android emulator

gpu/config/gpu_info_collector_android.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"
 
 #include "base/android/build_info.h"
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
@@ skipping 198 matching lines @@
       gpu_info->gl_extensions.find("GL_EXT_robustness") != std::string::npos ||
       gpu_info->gl_extensions.find("GL_KHR_robustness") != std::string::npos ||
       gpu_info->gl_extensions.find("GL_ARB_robustness") != std::string::npos;
 
   if (supports_robustness) {
     glGetIntegervFn(
         GL_RESET_NOTIFICATION_STRATEGY_ARB,
         reinterpret_cast<GLint*>(&gpu_info->gl_reset_notification_strategy));
   }
 
-  std::string glsl_version_string =
-      reinterpret_cast<const char*>(glGetStringFn(GL_SHADING_LANGUAGE_VERSION));
+  std::string glsl_version_string;
+  if (const char* glsl_version_cstring = reinterpret_cast<const char*>(
+          glGetStringFn(GL_SHADING_LANGUAGE_VERSION)))
+    glsl_version_string = glsl_version_cstring;
 
   std::string glsl_version = GetVersionFromString(glsl_version_string).first;
   gpu_info->pixel_shader_version = glsl_version;
   gpu_info->vertex_shader_version = glsl_version;
 
   if (curr_display != EGL_NO_DISPLAY &&
       curr_context != EGL_NO_CONTEXT) {
     eglMakeCurrentFn(curr_display, curr_draw_surface, curr_read_surface,
                      curr_context);
   } else {
@@ skipping 49 matching lines @@
   gpu_info->gpu.device_string = gpu_info->gl_renderer;
   return kCollectInfoSuccess;
 }
 
 void MergeGPUInfo(GPUInfo* basic_gpu_info,
                   const GPUInfo& context_gpu_info) {
   MergeGPUInfoGL(basic_gpu_info, context_gpu_info);
 }
 
 }  // namespace gpu