MacViews: Fix accelerator handling while Omnibox is in focus.

ui/events/base_event_utils.cc

 // Copyright 2015 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/events/base_event_utils.h"
 
 #include "base/atomic_sequence_num.h"
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/time/time.h"
 #include "build/build_config.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/event_switches.h"
 
 namespace ui {
 
 namespace {
 
 #if defined(OS_CHROMEOS)
 const int kSystemKeyModifierMask = EF_ALT_DOWN | EF_COMMAND_DOWN;
+#elif defined(OS_MACOSX)
+// Alt modifier is used to input extended characters on Mac.
+const int kSystemKeyModifierMask = EF_COMMAND_DOWN;
 #else
 const int kSystemKeyModifierMask = EF_ALT_DOWN;
-#endif  // defined(OS_CHROMEOS)
+#endif  // !defined(OS_CHROMEOS) && !defined(OS_MACOSX)
 
 }  // namespace
 
 base::StaticAtomicSequenceNumber g_next_event_id;
 
 uint32_t GetNextTouchEventId() {
   // Set the first touch event ID to 1 because we set id to 0 for other types
   // of events.
   uint32_t id = g_next_event_id.GetNext();
   if (id == 0)
@@ skipping 24 matching lines @@
 double EventTimeStampToSeconds(base::TimeTicks time_stamp) {
   return (time_stamp - base::TimeTicks()).InSecondsF();
 }
 
 base::TimeTicks EventTimeStampFromSeconds(double time_stamp_seconds) {
   return base::TimeTicks() + base::TimeDelta::FromSecondsD(time_stamp_seconds);
 }
 
 }  // namespace ui