Implement the file chooser as a new resource "host"

content/renderer/pepper/pepper_plugin_delegate_impl.h

Index: content/renderer/pepper/pepper_plugin_delegate_impl.h
diff --git a/content/renderer/pepper/pepper_plugin_delegate_impl.h b/content/renderer/pepper/pepper_plugin_delegate_impl.h
index ded09ca8d5d903eb40e07994003d903e2b21bf7e..5250098254a46fa12c9e23bd54b32315aef719ca 100644
--- a/content/renderer/pepper/pepper_plugin_delegate_impl.h
+++ b/content/renderer/pepper/pepper_plugin_delegate_impl.h
@@ -59,11 +59,9 @@ class PluginModule;
 }
 
 namespace WebKit {
-class WebFileChooserCompletion;
 class WebGamepads;
 class WebMouseEvent;
 struct WebCompositionUnderline;
-struct WebFileChooserParams;
 }
 
 namespace content {
@@ -210,9 +208,6 @@ class PepperPluginDelegateImpl
                                           int total,
                                           bool final_result) OVERRIDE;
   virtual void SelectedFindResultChanged(int identifier, int index) OVERRIDE;
-  virtual bool RunFileChooser(
-      const WebKit::WebFileChooserParams& params,
-      WebKit::WebFileChooserCompletion* chooser_completion) OVERRIDE;
   virtual bool AsyncOpenFile(const FilePath& path,
                              int flags,
                              const AsyncOpenFileCallback& callback) OVERRIDE;