Remove the close button in context menu for IME menu.

chrome/common/extensions/extension_constants.cc

Index: chrome/common/extensions/extension_constants.cc
diff --git a/chrome/common/extensions/extension_constants.cc b/chrome/common/extensions/extension_constants.cc
index 5a722655a414415238c9591e7dda36acb3119845..0ffcb459ccfa049e0b64c24088924a680c79aca3 100644
--- a/chrome/common/extensions/extension_constants.cc
+++ b/chrome/common/extensions/extension_constants.cc
@@ -81,6 +81,16 @@ const char kSpeechSynthesisExtensionId[] =
 const char kWallpaperManagerId[] = "obklkkbkpaoaejdabbfldmcfplpdgolj";
 const char kWebstoreWidgetAppId[] = "fbjakikfhfdajcamjleinfciajelkpek";
 const char kZIPUnpackerExtensionId[] = "oedeeodfidgoollimchfdnbmhcpnklnd";
+
+const char* const kImeMenuExtensionIds[] = {"gjaehgfemfahhmlgpdfknkhdnemmolop",
+                                            "jkghodnilhceideoidjikpgommlajknk"};
+bool IsImeMenuExtensionId(const std::string& extension_id) {
+  for (const char* id : kImeMenuExtensionIds) {
+    if (extension_id == id)
+      return true;
+  }
+  return false;
+}

[stevenjb, 2016/01/29 17:53:27]

Sorry if I wasn't clear, but this should also be placed below all constants,
i.e. at the bottom of the file.

[Azure Wei, 2016/01/30 09:04:13]

Done.

 #else
 // The extension id for the web store extension.
 const char kChromeVoxExtensionId[] =