Fixes android mandoline ui

mandoline/ui/browser/android/android_ui.cc

 // Copyright 2015 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 "mandoline/ui/browser/android/android_ui.h"
 
 #include "components/view_manager/public/cpp/view.h"
 #include "mandoline/ui/browser/browser.h"
 #include "mojo/converters/geometry/geometry_type_converters.h"
 #include "ui/gfx/geometry/rect.h"
 
 namespace mandoline {
 
 class Browser;
 
 AndroidUI::AndroidUI(Browser* browser, mojo::ApplicationImpl* application_impl)
     : browser_(browser),
       application_impl_(application_impl),
-      root_(nullptr),
-      content_(nullptr) {}
+      root_(nullptr) {}
 
 AndroidUI::~AndroidUI() {
   root_->RemoveObserver(this);
 }
 
 void AndroidUI::Init(mojo::View* root) {
   root_ = root;
   root_->AddObserver(this);
 
   browser_->content()->SetBounds(root_->bounds());
 }
 
 void AndroidUI::OnURLChanged() {
 }
 
 void AndroidUI::OnViewBoundsChanged(mojo::View* view,
                                     const mojo::Rect& old_bounds,
                                     const mojo::Rect& new_bounds) {
-  content_->SetBounds(
+  browser_->content()->SetBounds(
       *mojo::Rect::From(gfx::Rect(0, 0, new_bounds.width, new_bounds.height)));
 }
 
 // static
 BrowserUI* BrowserUI::Create(Browser* browser,
                              mojo::ApplicationImpl* application_impl) {
   return new AndroidUI(browser, application_impl);
 }
 
 }  // namespace mandoline