Linux: fix a missing dereference that prevented GNOME 3 proxy settings from being queried.

net/proxy/proxy_config_service_linux.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 "net/proxy/proxy_config_service_linux.h"
 
 #include <errno.h>
 #include <fcntl.h>
 #if defined(USE_GCONF)
 #include <gconf/gconf-client.h>
@@ skipping 537 matching lines @@
     DCHECK(!client_);
 #if defined(DLOPEN_GSETTINGS)
     if (gio_handle_) {
       dlclose(gio_handle_);
       gio_handle_ = NULL;
     }
 #endif
   }
 
   bool SchemaExists(const char* schema_name) {
     const gchar* const* schemas = g_settings_list_schemas();

[vandebo (ex-Chrome), 2011/08/16 20:59:10]

I can see how this came about, since the double star in the type is hard to see.
 Too bad we can't fix that.

     while (*schemas) {
-      if (strcmp(schema_name, reinterpret_cast<const char*>(schemas)) == 0)
+      if (strcmp(schema_name, static_cast<const char*>(*schemas)) == 0)
         return true;
       schemas++;
     }
     return false;
   }
 
   // LoadAndCheckVersion() must be called *before* Init()!
   bool LoadAndCheckVersion(base::Environment* env);
 
   virtual bool Init(MessageLoop* glib_default_loop,
@@ skipping 1216 matching lines @@
 void ProxyConfigServiceLinux::RemoveObserver(Observer* observer) {
   delegate_->RemoveObserver(observer);
 }
 
 ProxyConfigService::ConfigAvailability
     ProxyConfigServiceLinux::GetLatestProxyConfig(ProxyConfig* config) {
   return delegate_->GetLatestProxyConfig(config);
 }
 
 }  // namespace net