Allow command-line arguments to override EF public key

chrome/app/chrome_main_delegate.cc

Index: chrome/app/chrome_main_delegate.cc
diff --git a/chrome/app/chrome_main_delegate.cc b/chrome/app/chrome_main_delegate.cc
index a11e05d168c31ecd60af20d3c5d72e87474e03a3..ce6210a03e0fd94b079ece6db5a4996e1c2426f8 100644
--- a/chrome/app/chrome_main_delegate.cc
+++ b/chrome/app/chrome_main_delegate.cc
@@ -630,6 +630,12 @@ bool ChromeMainDelegate::BasicStartupComplete(int* exit_code) {
   }
 #endif
 
+  if (command_line.HasSwitch(switches::kOriginTrialPublicKey)) {
+    chrome_content_client_.origin_trial_key_manager()
+        ->SetPublicKeyFromASCIIString(
+            command_line.GetSwitchValueASCII(switches::kOriginTrialPublicKey));
+  }
+
   content::SetContentClient(&chrome_content_client_);
 
   return false;