Call RenderViewImpl::SetScreenOrientationForTesting to make sure that events are not sent when orie…

content/public/renderer/render_view_observer.cc

Index: content/public/renderer/render_view_observer.cc
diff --git a/content/public/renderer/render_view_observer.cc b/content/public/renderer/render_view_observer.cc
index 612fb150234d6ce79d81ab207e9eb65b4f199807..8289da949e1311a2769928a660a532edc75c5b44 100644
--- a/content/public/renderer/render_view_observer.cc
+++ b/content/public/renderer/render_view_observer.cc
@@ -13,7 +13,7 @@ namespace content {
 RenderViewObserver::RenderViewObserver(RenderView* render_view)
     : render_view_(render_view),
       routing_id_(MSG_ROUTING_NONE) {
-  // |render_view| can be NULL on unit testing.
+  // |render_view| can be NULL on unit testing or if Observe() is used.
   if (render_view) {
     RenderViewImpl* impl = static_cast<RenderViewImpl*>(render_view);
     routing_id_ = impl->routing_id();
@@ -53,4 +53,19 @@ void RenderViewObserver::RenderViewGone() {
   render_view_ = NULL;
 }
 
+void RenderViewObserver::Observe(RenderView* render_view) {
+  RenderViewImpl* impl = static_cast<RenderViewImpl*>(render_view_);
+  if (impl) {
+    impl->RemoveObserver(this);
+    routing_id_ = 0;
+  }
+
+  render_view_ = render_view;
+  impl = static_cast<RenderViewImpl*>(render_view_);
+  if (impl) {
+    routing_id_ = impl->routing_id();
+    impl->AddObserver(this);
+  }
+}
+
 }  // namespace content