Copy text selection from renderer to browser every time it changes.

chrome/browser/renderer_host/render_widget_host_view_gtk.h

Index: chrome/browser/renderer_host/render_widget_host_view_gtk.h
===================================================================
--- chrome/browser/renderer_host/render_widget_host_view_gtk.h	(revision 13391)
+++ chrome/browser/renderer_host/render_widget_host_view_gtk.h	(working copy)
@@ -61,8 +61,7 @@
   void RenderViewGone();
   void Destroy();
   void SetTooltipText(const std::wstring& tooltip_text);
-  void SelectionChanged();
-  void SetSelectionText(const std::string& text);
+  void SelectionChanged(const std::string& text);
   void PasteFromSelectionClipboard();
   BackingStore* AllocBackingStore(const gfx::Size& size);
   // ---------------------------------------------------------------------------
@@ -74,16 +73,9 @@
  private:
   friend class RenderWidgetHostViewGtkWidget;
 
-  void set_event_selection(GdkEventSelection* event_selection) {
-    event_selection_ = *event_selection;
-    event_selection_active_ = true;
-  }
-
   // Update the display cursor for the render view.
   void ShowCurrentCursor();
 
-  void RequestSelectionText();
-
   // When we've requested the text from the X clipboard, GTK returns it to us
   // through this callback.
   static void ReceivedSelectionText(GtkClipboard* clipboard,
@@ -115,17 +107,6 @@
 
   // The cursor for the page. This is passed up from the renderer.
   WebCursor current_cursor_;
-
-  // We cache the text that is selected on the page. This is used for copying to
-  // the X clipboard. We update |selection_text_| whenever X asks us for it and
-  // the cache is empty. We invalidate it (set it to empty) whenever the
-  // renderer sends a SelectionChanged message.
-  std::string selection_text_;
-
-  // A struct that keeps state for the XSelectionEvent we are handling (if any).
-  GdkEventSelection event_selection_;
-  // Tracks whether we are currently handling an XSelectionEvent.
-  bool event_selection_active_;
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_GTK_H_