Introduce ChromeZoomLevelPref, make zoom level prefs independent of profile prefs.

chrome/browser/ui/webui/constrained_web_dialog_delegate_base.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/constrained_web_dialog_delegate_base.h"
 
 #include <string>
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/renderer_preferences_util.h"
 #include "chrome/browser/ui/webui/chrome_web_contents_handler.h"
+#include "chrome/browser/ui/zoom/zoom_controller.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/common/renderer_preferences.h"
 #include "ipc/ipc_message.h"
 #include "ui/web_dialogs/web_dialog_delegate.h"
 #include "ui/web_dialogs/web_dialog_ui.h"
 
 using content::NativeWebKeyboardEvent;
 using content::WebContents;
 using ui::WebDialogDelegate;
 using ui::WebDialogWebContentsDelegate;
 
 ConstrainedWebDialogDelegateBase::ConstrainedWebDialogDelegateBase(
     content::BrowserContext* browser_context,
     WebDialogDelegate* delegate,
     WebDialogWebContentsDelegate* tab_delegate)
     : WebDialogWebContentsDelegate(browser_context,
                                    new ChromeWebContentsHandler),
       web_dialog_delegate_(delegate),
       closed_via_webui_(false),
       release_contents_on_close_(false) {
   CHECK(delegate);
   web_contents_.reset(
       WebContents::Create(WebContents::CreateParams(browser_context)));
+  ZoomController::CreateForWebContents(web_contents_.get());
   if (tab_delegate) {
     override_tab_delegate_.reset(tab_delegate);
     web_contents_->SetDelegate(tab_delegate);
   } else {
     web_contents_->SetDelegate(this);
   }
+  content::RendererPreferences* prefs =
+      web_contents_->GetMutableRendererPrefs();
   renderer_preferences_util::UpdateFromSystemSettings(
-      web_contents_->GetMutableRendererPrefs(),
-      Profile::FromBrowserContext(browser_context));
+      prefs, Profile::FromBrowserContext(browser_context), web_contents_.get());
+
   web_contents_->GetRenderViewHost()->SyncRendererPrefs();
 
   // Set |this| as a delegate so the ConstrainedWebDialogUI can retrieve it.
   ConstrainedWebDialogUI::SetConstrainedDelegate(web_contents_.get(), this);
 
   web_contents_->GetController().LoadURL(delegate->GetDialogContentURL(),
                                          content::Referrer(),
                                          ui::PAGE_TRANSITION_AUTO_TOPLEVEL,
                                          std::string());
 }
@@ skipping 33 matching lines @@
 }
 
 WebContents* ConstrainedWebDialogDelegateBase::GetWebContents() {
   return web_contents_.get();
 }
 
 void ConstrainedWebDialogDelegateBase::HandleKeyboardEvent(
     content::WebContents* source,
     const NativeWebKeyboardEvent& event) {
 }