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

content/browser/renderer_host/delegated_frame_host_client_aura.cc

Index: content/browser/renderer_host/delegated_frame_host_client_aura.cc
diff --git a/content/browser/renderer_host/delegated_frame_host_client_aura.cc b/content/browser/renderer_host/delegated_frame_host_client_aura.cc
index 5df61ef2cf293832cc5c048497cf44df3c6eafba..fcc442b8706f141a92f8313ec7ef4f3cdba497f9 100644
--- a/content/browser/renderer_host/delegated_frame_host_client_aura.cc
+++ b/content/browser/renderer_host/delegated_frame_host_client_aura.cc
@@ -50,7 +50,7 @@ bool DelegatedFrameHostClientAura::DelegatedFrameCanCreateResizeLock() const {
 #if !defined(OS_CHROMEOS)
   // On Windows and Linux, holding pointer moves will not help throttling
   // resizes.
-  // TODO(piman): on Windows we need to block (nested message loop?) the
+  // TODO(piman): on Windows we need to block (nested run loop?) the
   // WM_SIZE event. On Linux we need to throttle at the WM level using
   // _NET_WM_SYNC_REQUEST.
   return false;