Automated g4 rollback of changelist
*** Reason for rollback ***
Breaks many builds.
*** Original change description ***
Add chrome.runtime.onMessage to externs.
***
@@ -579,10 +579,6 @@ chrome.runtime.sendMessage = function(
opt_callback) {};
-/** @type {!ChromeEvent} */
-chrome.runtime.onMessage;
-
-
/**
* Returns an object representing current load times. Note that the properties
* on the object do not change and the function must be called again to get
