Makes sure the keyboard typing isn't blocked when InputMethod::OnFocus() is not correctly called.

ui/base/ime/mock_input_method.h

Index: ui/base/ime/mock_input_method.h
diff --git a/ui/base/ime/mock_input_method.h b/ui/base/ime/mock_input_method.h
index 96d2c47f3444bca616b4868f9aabc61443a3ca14..a6a68b4220c11a98565b8c5117d829b0ffe32c26 100644
--- a/ui/base/ime/mock_input_method.h
+++ b/ui/base/ime/mock_input_method.h
@@ -16,6 +16,7 @@
 
 namespace ui {
 
+class InputMethodLogCollector;
 class KeyEvent;
 class TextInputClient;
 
@@ -52,6 +53,7 @@ class UI_BASE_IME_EXPORT MockInputMethod
   void ShowImeIfNeeded() override;
   void AddObserver(InputMethodObserver* observer) override;
   void RemoveObserver(InputMethodObserver* observer) override;
+  InputMethodLogCollector* GetLogCollector() override;
 
  private:
   TextInputClient* text_input_client_;