Allow command-line arguments to override EF public key

chrome/app/chrome_main_delegate.cc

 // Copyright (c) 2012 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.
 
 #include "chrome/app/chrome_main_delegate.h"
 
 #include <stddef.h>
 
 #include "base/base_paths.h"
 #include "base/command_line.h"
@@ skipping 612 matching lines @@
     if (recovery_exit_code) {
       // Recovery has failed somehow, so we exit.
       *exit_code = recovery_exit_code;
       return true;
     }
   } else {  // Not running diagnostics or recovery.
     diagnostics::DiagnosticsController::GetInstance()->RecordRegularStartup();
   }
 #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;
 }
 
 #if defined(OS_MACOSX)
 void ChromeMainDelegate::InitMacCrashReporter(
     const base::CommandLine& command_line,
     const std::string& process_type) {
   // TODO(mark): Right now, InitializeCrashpad() needs to be called after
@@ skipping 369 matching lines @@
     case version_info::Channel::CANARY:
       return true;
     case version_info::Channel::DEV:
     case version_info::Channel::BETA:
     case version_info::Channel::STABLE:
     default:
       // Don't enable instrumentation.
       return false;
   }
 }