Mutes the crash in ImeMenuTray when the ash is not in browser process.

Bug: 867084
Change-Id: I1a667b8c54d8f111dbe00a2b398fb99f1527aa0b
Reviewed-on: https://chromium-review.googlesource.com/1157741Reviewed-by: James Cook <jamescook@chromium.org>
Commit-Queue: Shu Chen <shuchen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#580036}

ash/system/ime_menu/ime_menu_tray.cc

@@ -33,6 +33,7 @@
 #include "ui/base/ime/text_input_client.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
+#include "ui/base/ui_base_features.h"
 #include "ui/gfx/geometry/insets.h"
 #include "ui/gfx/paint_vector_icon.h"
 #include "ui/gfx/range/range.h"
@@ -77,7 +78,11 @@ bool IsInLoginOrLockScreen() {
 
 // Returns true if the current input context type is password.
 bool IsInPasswordInputContext() {
-  return ui::IMEBridge::Get()->GetCurrentInputContext().type ==
+  // Avoid getting IMEBridge instance if ash is not in browser.
+  // This is to temporarily mute the crash (http://crbug.com/867084).
+  // TODO(shuchen): This will be eventually be solved by the Mojo-based IMF.
+  return features::IsAshInBrowserProcess() &&
+         ui::IMEBridge::Get()->GetCurrentInputContext().type ==
          ui::TEXT_INPUT_TYPE_PASSWORD;
 }