Reorder SynthesizeKeyEvent to ensure it matches other platforms

ui/base/test/ui_controls_mac.mm

 // Copyright 2013 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 "ui/base/test/ui_controls.h"
 
 #import <Cocoa/Cocoa.h>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 61 matching lines @@
                                  bool command,
                                  std::vector<NSEvent*>* events) {
   NSEvent* event = nil;
   NSUInteger flags = 0;
   if (control) {
     flags |= NSControlKeyMask;
     event = SynthesizeKeyEvent(window, true, ui::VKEY_CONTROL, flags);
     DCHECK(event);
     events->push_back(event);
   }
+  if (command) {
+    flags |= NSCommandKeyMask;
+    event = SynthesizeKeyEvent(window, true, ui::VKEY_COMMAND, flags);
+    DCHECK(event);
+    events->push_back(event);
+  }
   if (shift) {
     flags |= NSShiftKeyMask;
     event = SynthesizeKeyEvent(window, true, ui::VKEY_SHIFT, flags);
     DCHECK(event);
     events->push_back(event);
   }
   if (alt) {
     flags |= NSAlternateKeyMask;
     event = SynthesizeKeyEvent(window, true, ui::VKEY_MENU, flags);
     DCHECK(event);
     events->push_back(event);
   }
-  if (command) {
-    flags |= NSCommandKeyMask;
-    event = SynthesizeKeyEvent(window, true, ui::VKEY_COMMAND, flags);
-    DCHECK(event);
-    events->push_back(event);
-  }
 
   event = SynthesizeKeyEvent(window, true, keycode, flags);
   DCHECK(event);
   events->push_back(event);
   event = SynthesizeKeyEvent(window, false, keycode, flags);
   DCHECK(event);
   events->push_back(event);
 
-  if (command) {
-    flags &= ~NSCommandKeyMask;
-    event = SynthesizeKeyEvent(window, false, ui::VKEY_COMMAND, flags);
-    DCHECK(event);
-    events->push_back(event);
-  }
   if (alt) {
     flags &= ~NSAlternateKeyMask;
     event = SynthesizeKeyEvent(window, false, ui::VKEY_MENU, flags);
     DCHECK(event);
     events->push_back(event);
   }
   if (shift) {
     flags &= ~NSShiftKeyMask;
     event = SynthesizeKeyEvent(window, false, ui::VKEY_SHIFT, flags);
     DCHECK(event);
     events->push_back(event);
   }
+  if (command) {
+    flags &= ~NSCommandKeyMask;
+    event = SynthesizeKeyEvent(window, false, ui::VKEY_COMMAND, flags);
+    DCHECK(event);
+    events->push_back(event);
+  }
   if (control) {
     flags &= ~NSControlKeyMask;
     event = SynthesizeKeyEvent(window, false, ui::VKEY_CONTROL, flags);
     DCHECK(event);
     events->push_back(event);
   }
 }
 
 // A helper function to watch for the event queue. The specific task will be
 // fired when there is no more event in the queue.
@@ skipping 274 matching lines @@
 void RunClosureAfterAllPendingUIEvents(const base::Closure& closure) {
   base::ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, base::Bind(&EventQueueWatcher, closure));
 }
 
 bool IsFullKeyboardAccessEnabled() {
   return [NSApp isFullKeyboardAccessEnabled];
 }
 
 }  // namespace ui_controls