Append software rendering list version to the about:gpu page.

chrome/browser/gpu_data_manager.cc

 // Copyright (c) 2011 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 "chrome/browser/gpu_data_manager.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
+#include "base/string_number_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/gpu_process_host_ui_shim.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/common/child_process_logging.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "content/browser/gpu_blacklist.h"
 #include "content/gpu/gpu_info_collector.h"
 #include "grit/browser_resources.h"
 #include "ui/base/resource/resource_bundle.h"
@@ skipping 67 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   return gpu_info_;
 }
 
 Value* GpuDataManager::GetBlacklistingReasons() const {
   if (gpu_feature_flags_.flags() != 0 && gpu_blacklist_.get())
     return gpu_blacklist_->GetBlacklistingReasons();
   return NULL;
 }
 
+std::string GpuDataManager::GetBlacklistVersion() const {
+  if (gpu_blacklist_.get() != NULL) {
+    uint16 version_major, version_minor;
+    if (gpu_blacklist_->GetVersion(&version_major,
+                                   &version_minor)) {
+      std::string version_string =
+          base::UintToString(static_cast<unsigned>(version_major)) +
+          "." +
+          base::UintToString(static_cast<unsigned>(version_minor));
+      return version_string;
+    }
+  }
+  return "";
+}
+
 void GpuDataManager::AddLogMessage(Value* msg) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   log_messages_.Append(msg);
 }
 
 const ListValue& GpuDataManager::log_messages() const {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   return log_messages_;
 }
 
@@ skipping 168 matching lines @@
       browser_command_line.GetSwitchValueASCII(
           switches::kUseGL) == gfx::kGLImplementationOSMesaName)
     return NULL;
   UpdateGpuBlacklist();
   // No need to return an empty blacklist.
   if (gpu_blacklist_.get() != NULL && gpu_blacklist_->max_entry_id() == 0)
     return NULL;
   return gpu_blacklist_.get();
 }