[Mac] Update context menu dictionary lookup wording and placement.

chrome/browser/renderer_context_menu/render_view_context_menu.h

Index: chrome/browser/renderer_context_menu/render_view_context_menu.h
diff --git a/chrome/browser/renderer_context_menu/render_view_context_menu.h b/chrome/browser/renderer_context_menu/render_view_context_menu.h
index 549d9d4e9734b04ed3a49adade2fe26db83a9f71..bdf1592dc6733e8cc87f382c701ed93a128aff91 100644
--- a/chrome/browser/renderer_context_menu/render_view_context_menu.h
+++ b/chrome/browser/renderer_context_menu/render_view_context_menu.h
@@ -64,6 +64,13 @@ class RenderViewContextMenu : public RenderViewContextMenuBase {
  protected:
   Profile* GetProfile();
 
+  // Returns a (possibly truncated) version of the current selection text
+  // suitable for putting in the title of a menu item.
+  base::string16 PrintableSelectionText();
+
+  // Helper function to escape "&" as "&&".
+  void EscapeAmpersands(base::string16* text);
+
 #if defined(ENABLE_EXTENSIONS)
   extensions::ContextMenuMatcher extension_items_;
 #endif
@@ -146,10 +153,6 @@ class RenderViewContextMenu : public RenderViewContextMenuBase {
   // on URL.
   ProtocolHandlerRegistry::ProtocolHandlerList GetHandlersForLinkUrl();
 
-  // Returns a (possibly truncated) version of the current selection text
-  // suitable or putting in the title of a menu item.
-  base::string16 PrintableSelectionText();
-
   // The destination URL to use if the user tries to search for or navigate to
   // a text selection.
   GURL selection_navigation_url_;