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 449540937455c2bb8c5d18b432d22f236644a2c5..e751d6fe0cbabd26f3294edf36336ee1bb7739c9 100644
--- a/content/browser/tab_contents/tab_contents.h
+++ b/content/browser/tab_contents/tab_contents.h
@@ -71,7 +71,6 @@ class WebUI;
 class DesktopNotificationHandlerForTC;
 class DownloadItem;
 class Extension;
-class FileSelectHelper;
 class InfoBarDelegate;
 class LoadNotificationDetails;
 class OmniboxSearchHint;
@@ -91,7 +90,6 @@ 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
@@ -801,7 +799,6 @@ class TabContents : public PageNavigator,
                         const std::vector<std::string>& suggestions,
                         InstantCompleteBehavior complete_behavior);
   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
@@ -1082,9 +1079,6 @@ 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_;