Pull the file picker code out of TabContents.

content/browser/tab_contents/tab_contents.h

Index: content/browser/tab_contents/tab_contents.h
diff --git a/content/browser/tab_contents/tab_contents.h b/content/browser/tab_contents/tab_contents.h
index 031a28f2b74534e26a2880677d580f0ac055cc56..335285ddc28992394b1c1397cc8fa979085343c2 100644
--- a/content/browser/tab_contents/tab_contents.h
+++ b/content/browser/tab_contents/tab_contents.h
@@ -70,7 +70,6 @@ class WebUI;
 class DesktopNotificationHandlerForTC;
 class DownloadItem;
 class Extension;
-class FileSelectHelper;
 class InfoBarDelegate;
 class LoadNotificationDetails;
 class OmniboxSearchHint;
@@ -90,7 +89,6 @@ struct RendererPreferences;
 struct ThumbnailScore;
 struct ViewHostMsg_DomMessage_Params;
 struct ViewHostMsg_FrameNavigate_Params;
-struct ViewHostMsg_RunFileChooser_Params;
 struct WebPreferences;
 
 // Describes what goes in the main content area of a tab. TabContents is
@@ -799,7 +797,6 @@ class TabContents : public PageNavigator,
   void OnSetSuggestions(int32 page_id,
                         const std::vector<std::string>& suggestions);
   void OnInstantSupportDetermined(int32 page_id, bool result);
-  void OnRunFileChooser(const ViewHostMsg_RunFileChooser_Params& params);
 
   // Changes the IsLoading state and notifies delegate as needed
   // |details| is used to provide details on the load that just finished
@@ -1080,9 +1077,6 @@ class TabContents : public PageNavigator,
   // TabContentsSSLHelper, lazily created.
   scoped_ptr<TabContentsSSLHelper> ssl_helper_;
 
-  // FileSelectHelper, lazily created.
-  scoped_ptr<FileSelectHelper> file_select_helper_;
-
   // Handles drag and drop event forwarding to extensions.
   BookmarkDrag* bookmark_drag_;