Delete some unused code found by -Wunused-function

chrome/browser/ui/webui/chrome_url_data_manager_backend.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/chrome_url_data_manager_backend.h"
 
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
@@ skipping 548 matching lines @@
   PendingRequestMap::iterator i = pending_requests_.find(request_id);
   if (i != pending_requests_.end()) {
     URLRequestChromeJob* job(i->second);
     pending_requests_.erase(i);
     job->DataAvailable(bytes);
   }
 }
 
 namespace {
 
+#if defined(DEBUG_DEVTOOLS)
 bool IsSupportedDevToolsURL(const GURL& url, FilePath* path) {
   if (!url.SchemeIs(chrome::kChromeDevToolsScheme))
     return false;
 
   if (!url.is_valid()) {
     NOTREACHED();
     return false;
   }
 
   // Remove Query and Ref from URL.
@@ skipping 20 matching lines @@
   FilePath inspector_dir;
   if (!PathService::Get(chrome::DIR_INSPECTOR, &inspector_dir))
     return false;
 
   if (inspector_dir.empty())
     return false;
 
   *path = inspector_dir.AppendASCII(relative_path);
   return true;
 }
+#endif  // defined(DEBUG_DEVTOOLS)
 
 class DevToolsJobFactory
     : public net::URLRequestJobFactory::ProtocolHandler {
  public:
   DevToolsJobFactory(ChromeURLDataManagerBackend* backend,
                      net::NetworkDelegate* network_delegate);
   virtual ~DevToolsJobFactory();
 
   virtual net::URLRequestJob* MaybeCreateJob(
       net::URLRequest* request,
@@ skipping 28 matching lines @@
   return new URLRequestChromeJob(request, network_delegate, backend_);
 }
 
 }  // namespace
 
 net::URLRequestJobFactory::ProtocolHandler*
 CreateDevToolsProtocolHandler(ChromeURLDataManagerBackend* backend,
                               net::NetworkDelegate* network_delegate) {
   return new DevToolsJobFactory(backend, network_delegate);
 }