ChromeOS: switch UI language before apps are loaded.

chrome/browser/chromeos/extensions/input_method_event_router.cc

Index: chrome/browser/chromeos/extensions/input_method_event_router.cc
diff --git a/chrome/browser/chromeos/extensions/input_method_event_router.cc b/chrome/browser/chromeos/extensions/input_method_event_router.cc
index 79e4f7303b65926b0b969dcc0cedaee39c39befb..be9163a1e826df300cb4c030b52c1ba26919e48c 100644
--- a/chrome/browser/chromeos/extensions/input_method_event_router.cc
+++ b/chrome/browser/chromeos/extensions/input_method_event_router.cc
@@ -9,6 +9,7 @@
 #include "base/json/json_writer.h"
 #include "base/values.h"
 #include "chrome/browser/chromeos/extensions/input_method_api.h"
+#include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/browser_context.h"
 #include "extensions/browser/event_router.h"
 #include "extensions/browser/extension_system.h"
@@ -26,8 +27,10 @@ ExtensionInputMethodEventRouter::~ExtensionInputMethodEventRouter() {
 }
 
 void ExtensionInputMethodEventRouter::InputMethodChanged(
-    input_method::InputMethodManager *manager,
+    input_method::InputMethodManager* manager,
+    Profile* profile,
     bool show_message) {
+  CHECK(static_cast<content::BrowserContext*>(profile) == context_);

[robliao, 2015/05/06 18:20:32]

This will trigger a chrome crash if it fails. How critical is it that the
context matches?

[Alexander Alekseev, 2015/05/07 15:21:57]

Here is crbug.com/483258 - what happens (crash) when message is delivered to a
wrong profile.

[robliao, 2015/05/08 17:30:20]

Add a comment about the use of the CHECK here then as this is serious business.

[Alexander Alekseev, 2015/05/12 17:30:45]

I've replaced CHECK with DCHECK and comment.
I'll submit another CL with CHECK, so that revert would be easier if needed.

   extensions::EventRouter* router = extensions::EventRouter::Get(context_);
 
   if (!router->HasEventListener(