Replace "nested message loop" with "nested run loop" in comments.

ui/base/x/selection_requestor.h

 // Copyright (c) 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_BASE_X_SELECTION_REQUESTOR_H_
 #define UI_BASE_X_SELECTION_REQUESTOR_H_
 
 #include <stddef.h>
 
 #include <vector>
@@ skipping 20 matching lines @@
 // API. SelectionRequestor should only deal with the X11 details; it does not
 // implement per-component fast-paths.
 class UI_BASE_EXPORT SelectionRequestor {
  public:
   SelectionRequestor(XDisplay* xdisplay,
                      XID xwindow,
                      PlatformEventDispatcher* dispatcher);
   ~SelectionRequestor();
 
   // Does the work of requesting |target| from |selection|, spinning up the
-  // nested message loop, and reading the resulting data back. The result is
+  // nested run loop, and reading the resulting data back. The result is
   // stored in |out_data|.
   // |out_data_items| is the length of |out_data| in |out_type| items.
   bool PerformBlockingConvertSelection(
       XAtom selection,
       XAtom target,
       scoped_refptr<base::RefCountedMemory>* out_data,
       size_t* out_data_items,
       XAtom* out_type);
 
   // Requests |target| from |selection|, passing |parameter| as a parameter to
@@ skipping 39 matching lines @@
     std::vector<scoped_refptr<base::RefCountedMemory> > out_data;
     size_t out_data_items;
     XAtom out_type;
 
     // Whether the XConvertSelection() request was successful.
     bool success;
 
     // The time when the request should be aborted.
     base::TimeTicks timeout;
 
-    // Called to terminate the nested message loop.
+    // Called to terminate the nested run loop.
     base::Closure quit_closure;
 
     // True if the request is complete.
     bool completed;
   };
 
   // Aborts requests which have timed out.
   void AbortStaleRequests();
 
   // Mark |request| as completed. If the current request is completed, converts
@@ skipping 39 matching lines @@
   base::RepeatingTimer abort_timer_;
 
   X11AtomCache atom_cache_;
 
   DISALLOW_COPY_AND_ASSIGN(SelectionRequestor);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_X_SELECTION_REQUESTOR_H_