Fix the potential crash on ChromeOS.

chrome/browser/extensions/api/input_ime/input_ime_api_chromeos.cc

Index: chrome/browser/extensions/api/input_ime/input_ime_api_chromeos.cc
diff --git a/chrome/browser/extensions/api/input_ime/input_ime_api_chromeos.cc b/chrome/browser/extensions/api/input_ime/input_ime_api_chromeos.cc
index 559ceb5bbea2c7558711fda794eb0b1d29d395c0..fdde5fbb1250f959a192a29c6fa4e982e0bd7711 100644
--- a/chrome/browser/extensions/api/input_ime/input_ime_api_chromeos.cc
+++ b/chrome/browser/extensions/api/input_ime/input_ime_api_chromeos.cc
@@ -621,9 +621,11 @@ void InputImeAPI::OnExtensionUnloaded(content::BrowserContext* browser_context,
                                       UnloadedExtensionInfo::Reason reason) {
   const std::vector<InputComponentInfo>* input_components =
       InputComponents::GetInputComponents(extension);
+  if (!input_components || input_components->empty())
+    return;
   InputImeEventRouter* event_router =
       GetInputImeEventRouter(Profile::FromBrowserContext(browser_context));
-  if (input_components && !input_components->empty() && event_router) {
+  if (event_router) {
     event_router->UnregisterAllImes(extension->id());
   }
 }