Move ContextMenuParams struct from webkit/glue to content/public/common. The reasons are:

chrome/browser/ui/webui/task_manager_dialog.cc

Index: chrome/browser/ui/webui/task_manager_dialog.cc
===================================================================
--- chrome/browser/ui/webui/task_manager_dialog.cc	(revision 121660)
+++ chrome/browser/ui/webui/task_manager_dialog.cc	(working copy)
@@ -94,7 +94,8 @@
   virtual bool ShouldShowDialogTitle() const OVERRIDE {
     return false;
   }
-  virtual bool HandleContextMenu(const ContextMenuParams& params) OVERRIDE {
+  virtual bool HandleContextMenu(
+      const content::ContextMenuParams& params) OVERRIDE {
     return true;
   }
   virtual void StoreDialogSize(const gfx::Size& dialog_size) OVERRIDE {