Fixes android mandoline ui

mandoline/ui/browser/android/android_ui.cc

Index: mandoline/ui/browser/android/android_ui.cc
diff --git a/mandoline/ui/browser/android/android_ui.cc b/mandoline/ui/browser/android/android_ui.cc
index 3239d1e6e3ed077c4c3d078721238763109a84c6..2846e8aa33d1a6e4f4462bd9e0133c984af0ac08 100644
--- a/mandoline/ui/browser/android/android_ui.cc
+++ b/mandoline/ui/browser/android/android_ui.cc
@@ -16,8 +16,7 @@ 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);
@@ -36,7 +35,7 @@ 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)));
 }