Handle the ViewHostMsg_RunFileChooser IPC message which is sent by content(renderer) in RVH and

content/browser/renderer_host/render_view_host_delegate.h

Index: content/browser/renderer_host/render_view_host_delegate.h
===================================================================
--- content/browser/renderer_host/render_view_host_delegate.h	(revision 98068)
+++ content/browser/renderer_host/render_view_host_delegate.h	(working copy)
@@ -39,6 +39,7 @@
 struct WebMenuItem;
 class WebKeyboardEvent;
 struct WebPreferences;
+struct ViewHostMsg_RunFileChooser_Params;
 
 namespace content {
 class BrowserContext;
@@ -366,6 +367,11 @@
   virtual void HandleMouseUp() {}
   virtual void HandleMouseActivate() {}
 
+  // Called when a file selection is to be done.
+  virtual void RunFileChooser(
+      RenderViewHost* render_view_host,
+      const ViewHostMsg_RunFileChooser_Params& params) {}
+
  protected:
   virtual ~RenderViewHostDelegate() {}
 };