Delete some unused code found by -Wunused-function

chrome/browser/ui/webui/gpu_internals_ui.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 "chrome/browser/ui/webui/gpu_internals_ui.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 66 matching lines @@
   return dict;
 }
 
 Value* NewStatusValue(const char* name, const char* status) {
   DictionaryValue* value = new DictionaryValue();
   value->SetString("name", name);
   value->SetString("status", status);
   return value;
 }
 
+#if defined(OS_WIN)
 // Output DxDiagNode tree as nested array of {description,value} pairs
 ListValue* DxDiagNodeToList(const content::DxDiagNode& node) {
   ListValue* list = new ListValue();
   for (std::map<std::string, std::string>::const_iterator it =
       node.values.begin();
       it != node.values.end();
       ++it) {
     list->Append(NewDescriptionValuePair(it->first, it->second));
   }
 
   for (std::map<std::string, content::DxDiagNode>::const_iterator it =
       node.children.begin();
       it != node.children.end();
       ++it) {
     ListValue* sublist = DxDiagNodeToList(it->second);
     list->Append(NewDescriptionValuePair(it->first, sublist));
   }
   return list;
 }
+#endif
 
 std::string GPUDeviceToString(const content::GPUInfo::GPUDevice& gpu) {
   std::string vendor = base::StringPrintf("0x%04x", gpu.vendor_id);
   if (!gpu.vendor_string.empty())
     vendor += " [" + gpu.vendor_string + "]";
   std::string device = base::StringPrintf("0x%04x", gpu.device_id);
   if (!gpu.device_string.empty())
     device += " [" + gpu.device_string + "]";
   return base::StringPrintf(
       "VENDOR = %s, DEVICE= %s", vendor.c_str(), device.c_str());
@@ skipping 526 matching lines @@
 ////////////////////////////////////////////////////////////////////////////////
 
 GpuInternalsUI::GpuInternalsUI(content::WebUI* web_ui)
     : WebUIController(web_ui) {
   web_ui->AddMessageHandler(new GpuMessageHandler());
 
   // Set up the chrome://gpu-internals/ source.
   Profile* profile = Profile::FromWebUI(web_ui);
   ChromeURLDataManager::AddDataSource(profile, CreateGpuHTMLSource());
 }