DevTools: allow storing devtools preferences on the browser side.

chrome/browser/devtools/devtools_window.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/devtools/devtools_window.h"
 
 #include <algorithm>
 
 #include "base/json/json_reader.h"
 #include "base/metrics/histogram.h"
@@ skipping 311 matching lines @@
       prefs::kDevToolsPortForwardingEnabled,
       false,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterBooleanPref(
       prefs::kDevToolsPortForwardingDefaultSet,
       false,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
   registry->RegisterDictionaryPref(
       prefs::kDevToolsPortForwardingConfig,
       user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
+  registry->RegisterDictionaryPref(
+      prefs::kDevToolsPreferences,
+      user_prefs::PrefRegistrySyncable::UNSYNCABLE_PREF);
 }
 
 // static
 content::WebContents* DevToolsWindow::GetInTabWebContents(
     WebContents* inspected_web_contents,
     DevToolsContentsResizingStrategy* out_strategy) {
   DevToolsWindow* window = GetInstanceForInspectedWebContents(
       inspected_web_contents);
   if (!window || window->life_stage_ == kClosing)
     return NULL;
@@ skipping 874 matching lines @@
       closure.Run();
     return;
   }
   load_completed_callback_ = closure;
 }
 
 bool DevToolsWindow::ForwardKeyboardEvent(
     const content::NativeWebKeyboardEvent& event) {
   return event_forwarder_->ForwardEvent(event);
 }