Move ZoomController out of ChromeWebViewGuestDelegate.

extensions/browser/api/web_view/web_view_internal_api.cc

 // Copyright 2014 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 "extensions/browser/api/web_view/web_view_internal_api.h"
 
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
@@ skipping 195 matching lines @@
 }
 
 WebViewInternalGetZoomFunction::~WebViewInternalGetZoomFunction() {
 }
 
 bool WebViewInternalGetZoomFunction::RunAsyncSafe(WebViewGuest* guest) {
   scoped_ptr<webview::GetZoom::Params> params(
       webview::GetZoom::Params::Create(*args_));
   EXTENSION_FUNCTION_VALIDATE(params.get());
 
-  double zoom_factor = guest->GetZoom();
+  double zoom_factor = guest->zoom();
   SetResult(new base::FundamentalValue(zoom_factor));
   SendResponse(true);
   return true;
 }
 
 WebViewInternalFindFunction::WebViewInternalFindFunction() {
 }
 
 WebViewInternalFindFunction::~WebViewInternalFindFunction() {
 }
@@ skipping 266 matching lines @@
   // Will finish asynchronously.
   return true;
 }
 
 void WebViewInternalClearDataFunction::ClearDataDone() {
   Release();  // Balanced in RunAsync().
   SendResponse(true);
 }
 
 }  // namespace extensions