Add WebContents accessor in ContentViewCore interface.

content/browser/android/content_settings.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 "content/browser/android/content_settings.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "content/browser/android/content_view_core_impl.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
@@ skipping 313 matching lines @@
 
 void ContentSettings::RenderViewCreated(RenderViewHost* render_view_host) {
   if (is_master_mode_)
     SyncToNativeImpl();
 }
 
 static jint Init(JNIEnv* env, jobject obj, jint nativeContentViewCore,
                  jboolean is_master_mode) {
   WebContents* web_contents =
       reinterpret_cast<ContentViewCoreImpl*>(nativeContentViewCore)
-          ->web_contents();
+          ->GetWebContents();
   ContentSettings* content_settings =
       new ContentSettings(env, obj, web_contents, is_master_mode);
   return reinterpret_cast<jint>(content_settings);
 }
 
 static jstring GetDefaultUserAgent(JNIEnv* env, jclass clazz) {
   // "Version/4.0" had been hardcoded in the legacy WebView.
   std::string ua = webkit_glue::BuildUserAgentFromProduct("Version/4.0");
   return base::android::ConvertUTF8ToJavaString(env, ua).Release();
 }
 
 }  // namespace content