Make DispatchKeyEventPostIME() asynchronous.

ui/base/ime/input_method_chromeos_unittest.cc

 // Copyright 2014 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/ime/input_method_chromeos.h"
 
 #include <X11/Xlib.h>
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 59 matching lines @@
         process_key_event_post_ime_call_count_(0) {
   }
 
   struct ProcessKeyEventPostIMEArgs {
     ProcessKeyEventPostIMEArgs() : event(NULL), handled(false) {}
     const ui::KeyEvent* event;
     bool handled;
   };
 
   // Overridden from InputMethodChromeOS:
-  ui::EventDispatchDetails ProcessKeyEventPostIME(ui::KeyEvent* key_event,
-                                                  bool handled) override {
+  ui::EventDispatchDetails ProcessKeyEventPostIME(
+      ui::KeyEvent* key_event,
+      std::unique_ptr<AckCallback> ack_callback,
+      bool skip_process_filtered,
+      bool handled) override {
     ui::EventDispatchDetails details =
-        InputMethodChromeOS::ProcessKeyEventPostIME(key_event, handled);
-    process_key_event_post_ime_args_.event = key_event;
-    process_key_event_post_ime_args_.handled = handled;
-    ++process_key_event_post_ime_call_count_;
+        InputMethodChromeOS::ProcessKeyEventPostIME(
+            key_event, std::move(ack_callback), skip_process_filtered, handled);
+    if (!skip_process_filtered) {
+      process_key_event_post_ime_args_.event = key_event;
+      process_key_event_post_ime_args_.handled = handled;
+      ++process_key_event_post_ime_call_count_;
+    }
     return details;
   }
 
   void ResetCallCount() {
     process_key_event_post_ime_call_count_ = 0;
   }
 
   const ProcessKeyEventPostIMEArgs& process_key_event_post_ime_args() const {
     return process_key_event_post_ime_args_;
   }
@@ skipping 856 matching lines @@
   // Preparation.
   input_type_ = TEXT_INPUT_TYPE_TEXT;
   ime_->OnTextInputTypeChanged(this);
 
   ui::KeyEvent eventA(ET_KEY_PRESSED,
                       VKEY_OEM_4, // '['
                       DomCode::BRACKET_LEFT,
                       0,
                       DomKey::DeadKeyFromCombiningCharacter('^'),
                       EventTimeForNow());
-  ime_->ProcessKeyEventPostIME(&eventA, true);
+  ime_->ProcessKeyEventPostIME(&eventA, nullptr, false, true);
 
   const ui::KeyEvent& key_event = dispatched_key_event_;
 
   EXPECT_EQ(ET_KEY_PRESSED, key_event.type());
   EXPECT_EQ(VKEY_PROCESSKEY, key_event.key_code());
   EXPECT_EQ(eventA.code(), key_event.code());
   EXPECT_EQ(eventA.flags(), key_event.flags());
   EXPECT_EQ(eventA.GetDomKey(), key_event.GetDomKey());
   EXPECT_EQ(eventA.time_stamp(), key_event.time_stamp());
 }
 
 }  // namespace ui