Revert of Re-enable SitePerProcessBrowserTest.CrossSiteIframe

chrome/browser/ui/cocoa/applescript/tab_applescript.mm

 // 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.
 
 #import "chrome/browser/ui/cocoa/applescript/tab_applescript.h"
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
 #import "base/mac/scoped_nsobject.h"
@@ skipping 190 matching lines @@
     navigationController.GoForward();
 }
 
 - (void)handlesReloadScriptCommand:(NSScriptCommand*)command {
   NavigationController& navigationController = webContents_->GetController();
   const bool checkForRepost = true;
   navigationController.Reload(checkForRepost);
 }
 
 - (void)handlesStopScriptCommand:(NSScriptCommand*)command {
-  webContents_->Stop();
+  RenderViewHost* view = webContents_->GetRenderViewHost();
+  if (!view) {
+    // We tolerate Stop being called even before a view has been created.
+    // So just log a warning instead of a NOTREACHED().
+    DLOG(WARNING) << "Stop: no view for handle ";
+    return;
+  }
+
+  view->Stop();
 }
 
 - (void)handlesPrintScriptCommand:(NSScriptCommand*)command {
   bool initiated =
       printing::PrintViewManager::FromWebContents(webContents_)->PrintNow();
   if (!initiated) {
     AppleScript::SetError(AppleScript::errInitiatePrinting);
   }
 }
 
@@ skipping 64 matching lines @@
       base::Bind(&ResumeAppleEventAndSendReply, suspensionID);
 
   base::string16 script = base::SysNSStringToUTF16(
       [[command evaluatedArguments] objectForKey:@"javascript"]);
   frame->ExecuteJavaScript(script, callback);
 
   return nil;
 }
 
 @end