<webview>: Correctly shift focus between WebContents.

content/browser/renderer_host/render_widget_host_delegate.h

Index: content/browser/renderer_host/render_widget_host_delegate.h
diff --git a/content/browser/renderer_host/render_widget_host_delegate.h b/content/browser/renderer_host/render_widget_host_delegate.h
index 6948db4991a46e1b9a1f312a5bdc7f1f9a3e2079..f601d03ea241713f64c503cfa8ec5adcac0e8b6b 100644
--- a/content/browser/renderer_host/render_widget_host_delegate.h
+++ b/content/browser/renderer_host/render_widget_host_delegate.h
@@ -141,6 +141,18 @@ class CONTENT_EXPORT RenderWidgetHostDelegate {
   virtual RenderWidgetHostImpl* GetFocusedRenderWidgetHost(
       RenderWidgetHostImpl* receiving_widget);
 
+  // Get the RenderWidgetHost that should receive page level focus events. This
+  // will be the widget that is rendering the main frame of the currently
+  // focused WebContents.
+  virtual RenderWidgetHostImpl* GetRenderWidgetHostWithPageFocus();
+
+  // In cases with multiple RenderWidgetHosts involved in rendering a page, only
+  // one widget should be focused and active. This ensures that
+  // |render_widget_host| is focused and that its owning WebContents is also
+  // focused.
+  virtual void EnsureOwningContentsIsFocused(
+      RenderWidgetHostImpl* render_widget_host) {}
+
   // Notification that the renderer has become unresponsive. The
   // delegate can use this notification to show a warning to the user.
   virtual void RendererUnresponsive(RenderWidgetHostImpl* render_widget_host,