Add chrome.inputMethodPrivate.onImeMenuActivationChanged API.

chrome/browser/chromeos/extensions/input_method_api.cc

Index: chrome/browser/chromeos/extensions/input_method_api.cc
diff --git a/chrome/browser/chromeos/extensions/input_method_api.cc b/chrome/browser/chromeos/extensions/input_method_api.cc
index 28d1811bd5ac832a74f80cf3c56018f33b949508..b931747b49b8f69c95613bea313a3a274631ef35 100644
--- a/chrome/browser/chromeos/extensions/input_method_api.cc
+++ b/chrome/browser/chromeos/extensions/input_method_api.cc
@@ -11,16 +11,20 @@
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
+#include "base/prefs/pref_service.h"
 #include "base/values.h"
 #include "build/build_config.h"
 #include "chrome/browser/chromeos/extensions/dictionary_event_router.h"
+#include "chrome/browser/chromeos/extensions/ime_menu_event_router.h"
 #include "chrome/browser/chromeos/extensions/input_method_event_router.h"
 #include "chrome/browser/chromeos/input_method/input_method_util.h"
 #include "chrome/browser/extensions/api/input_ime/input_ime_api.h"
+#include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/spellchecker/spellcheck_factory.h"
 #include "chrome/browser/spellchecker/spellcheck_service.h"
 #include "chrome/browser/sync/profile_sync_service_factory.h"
 #include "chrome/common/extensions/api/input_method_private.h"
+#include "chrome/common/pref_names.h"
 #include "chromeos/chromeos_switches.h"
 #include "components/browser_sync/browser/profile_sync_service.h"
 #include "extensions/browser/extension_function_registry.h"
@@ -39,6 +43,8 @@ namespace OnDictionaryChanged =
     extensions::api::input_method_private::OnDictionaryChanged;
 namespace OnDictionaryLoaded =
     extensions::api::input_method_private::OnDictionaryLoaded;
+namespace OnImeMenuActivationChanged =
+    extensions::api::input_method_private::OnImeMenuActivationChanged;
 
 namespace {
 
@@ -59,6 +65,11 @@ InputMethodPrivateGetInputMethodConfigFunction::Run() {
       "isPhysicalKeyboardAutocorrectEnabled",
       !base::CommandLine::ForCurrentProcess()->HasSwitch(
           chromeos::switches::kDisablePhysicalKeyboardAutocorrect));
+  output->SetBoolean("isImeMenuActivated",
+                     chromeos::switches::IsImeMenuEnabled() &&
+                         Profile::FromBrowserContext(browser_context())

[michaelpg, 2016/01/20 21:06:28]

nit: align w/ previous line

[Azure Wei, 2016/01/21 10:25:07]

Done.

+                             ->GetPrefs()
+                             ->GetBoolean(prefs::kLangugaeImeMenuActivated));
   return RespondNow(OneArgument(output));
 #endif
 }
@@ -245,6 +256,10 @@ void InputMethodAPI::OnListenerAdded(
     if (details.event_name == OnDictionaryLoaded::kEventName) {
       dictionary_event_router_->DispatchLoadedEventIfLoaded();
     }
+  } else if (details.event_name == OnImeMenuActivationChanged::kEventName &&
+             !ime_menu_event_router_.get()) {
+    ime_menu_event_router_.reset(
+        new chromeos::ExtensionImeMenuEventRouter(context_));
   }
 }