Improve usefulness of webglcontextcreationerror statusMessage

content/renderer/renderer_blink_platform_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/renderer_blink_platform_impl.h"
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/lazy_instance.h"
 #include "base/location.h"
@@ skipping 966 matching lines @@
     const gpu::GPUInfo& gpu_info = gpu_channel_host->gpu_info();
     switch (gpu_info.context_info_state) {
       case gpu::kCollectInfoSuccess:
       case gpu::kCollectInfoNonFatalFailure:
         gl_info->vendorInfo.assign(
             blink::WebString::fromUTF8(gpu_info.gl_vendor));
         gl_info->rendererInfo.assign(
             blink::WebString::fromUTF8(gpu_info.gl_renderer));
         gl_info->driverVersion.assign(
             blink::WebString::fromUTF8(gpu_info.driver_version));
-        gl_info->vendorId = gpu_info.gpu.vendor_id;
-        gl_info->deviceId = gpu_info.gpu.device_id;
+        gl_info->vendorId.assign(blink::WebString::fromUTF8(
+            base::StringPrintf("0x%04x", gpu_info.gpu.vendor_id)));
+        gl_info->deviceId.assign(blink::WebString::fromUTF8(
+            base::StringPrintf("0x%04x", gpu_info.gpu.device_id)));
         break;
       case gpu::kCollectInfoFatalFailure:
       case gpu::kCollectInfoNone:
         gl_info->contextInfoCollectionFailure.assign(blink::WebString::fromUTF8(
             "GPUInfoCollectionFailure: GPU initialization Failed. GPU "
             "Info not Collected."));
         break;
       default:
         NOTREACHED();
     }
@@ skipping 247 matching lines @@
 //------------------------------------------------------------------------------
 
 void RendererBlinkPlatformImpl::MockBatteryStatusChangedForTesting(
     const blink::WebBatteryStatus& status) {
   if (!g_test_battery_status_listener)
     return;
   g_test_battery_status_listener->updateBatteryStatus(status);
 }
 
 }  // namespace content