GetActiveUserProfile() should not be called before profile is initialized.

chrome/browser/chromeos/input_method/input_method_manager_impl.h

 // Copyright (c) 2012 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_MANAGER_IMPL_H_
 #define CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_MANAGER_IMPL_H_
 
 #include <map>
 #include <string>
 #include <vector>
@@ skipping 47 matching lines @@
   virtual void EnableLoginLayouts(
       const std::string& language_code,
       const std::vector<std::string>& initial_layouts) OVERRIDE;
   virtual bool ReplaceEnabledInputMethods(
       const std::vector<std::string>& new_active_input_method_ids) OVERRIDE;
   virtual bool EnableInputMethod(const std::string& new_active_input_method_id)
       OVERRIDE;
   virtual void ChangeInputMethod(const std::string& input_method_id) OVERRIDE;
   virtual void ActivateInputMethodMenuItem(const std::string& key) OVERRIDE;
   virtual void AddInputMethodExtension(
+      Profile* profile,
       const std::string& id,
       InputMethodEngineInterface* instance) OVERRIDE;
-  virtual void RemoveInputMethodExtension(const std::string& id) OVERRIDE;
+  virtual void RemoveInputMethodExtension(Profile* profile,
+                                          const std::string& id) OVERRIDE;
   virtual void GetInputMethodExtensions(
       InputMethodDescriptors* result) OVERRIDE;
   virtual void SetEnabledExtensionImes(std::vector<std::string>* ids) OVERRIDE;
   virtual void SetInputMethodLoginDefault() OVERRIDE;
   virtual void SetInputMethodLoginDefaultFromVPD(
       const std::string& locale, const std::string& layout) OVERRIDE;
   virtual bool SwitchToNextInputMethod() OVERRIDE;
   virtual bool SwitchToPreviousInputMethod(
       const ui::Accelerator& accelerator) OVERRIDE;
   virtual bool SwitchInputMethod(const ui::Accelerator& accelerator) OVERRIDE;
@@ skipping 13 matching lines @@
   // Sets |candidate_window_controller_|.
   void SetCandidateWindowControllerForTesting(
       CandidateWindowController* candidate_window_controller);
   // Sets |keyboard_|.
   void SetImeKeyboardForTesting(ImeKeyboard* keyboard);
   // Initialize |component_extension_manager_|.
   void InitializeComponentExtensionForTesting(
       scoped_ptr<ComponentExtensionIMEManagerDelegate> delegate);
 
  private:
+  friend class InputMethodManagerImplTest;
+
   // CandidateWindowController::Observer overrides:
   virtual void CandidateClicked(int index) OVERRIDE;
   virtual void CandidateWindowOpened() OVERRIDE;
   virtual void CandidateWindowClosed() OVERRIDE;
 
   // Temporarily deactivates all input methods (e.g. Chinese, Japanese, Arabic)
   // since they are not necessary to input a login password. Users are still
   // able to use/switch active keyboard layouts (e.g. US qwerty, US dvorak,
   // French).
   void OnScreenLocked();
@@ skipping 32 matching lines @@
   // Adds new input method to given list if possible
   bool EnableInputMethodImpl(
       const std::string& input_method_id,
       std::vector<std::string>* new_active_input_method_ids) const;
 
   // Starts or stops the system input method framework as needed.
   // (after list of enabled input methods has been updated)
   void ReconfigureIMFramework();
 
   // Gets the current active user profile.
+  // Note: this method is deprecated as ActiveUserProfile might change
+  // during asynchronous operations that leads to strange crashes.
+  // Use with caution!
   Profile* GetProfile() const;
 
   scoped_ptr<InputMethodDelegate> delegate_;
 
   // The current browser status.
   State state_;
 
   // A list of objects that monitor the manager.
   ObserverList<InputMethodManager::Observer> observers_;
   ObserverList<CandidateWindowObserver> candidate_window_observers_;
@@ skipping 44 matching lines @@
   typedef std::map<Profile*, EngineMap, ProfileCompare> ProfileEngineMap;
   ProfileEngineMap profile_engine_map_;
 
   DISALLOW_COPY_AND_ASSIGN(InputMethodManagerImpl);
 };
 
 }  // namespace input_method
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_INPUT_METHOD_INPUT_METHOD_MANAGER_IMPL_H_