Change WebContentsDelegate::RunFileChooser to be frame based.

content/public/browser/render_frame_host.h

Index: content/public/browser/render_frame_host.h
diff --git a/content/public/browser/render_frame_host.h b/content/public/browser/render_frame_host.h
index 980704cf16b18af25807b656539ea3bc0105cdc3..e5d8841a4b3334de291855458d817e77950cdbe6 100644
--- a/content/public/browser/render_frame_host.h
+++ b/content/public/browser/render_frame_host.h
@@ -11,6 +11,7 @@
 #include "build/build_config.h"
 #include "content/common/content_export.h"
 #include "content/public/common/console_message_level.h"
+#include "content/public/common/file_chooser_params.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_sender.h"
 #include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
@@ -29,6 +30,7 @@ class RenderViewHost;
 class RenderWidgetHostView;
 class ServiceRegistry;
 class SiteInstance;
+struct FileChooserFileInfo;
 
 // The interface provides a communication conduit with a frame in the renderer.
 class CONTENT_EXPORT RenderFrameHost : public IPC::Listener,
@@ -181,6 +183,13 @@ class CONTENT_EXPORT RenderFrameHost : public IPC::Listener,
   // use by resource metrics.
   virtual int GetProxyCount() = 0;
 
+  // Notifies the Listener that one or more files have been chosen by the user
+  // from a file chooser dialog for the form. |permissions| is the file
+  // selection mode in which the chooser dialog was created.
+  virtual void FilesSelectedInChooser(
+      const std::vector<content::FileChooserFileInfo>& files,
+      FileChooserParams::Mode permissions) = 0;
+
  private:
   // This interface should only be implemented inside content.
   friend class RenderFrameHostImpl;