Fix InputMethod Widget activation checks; cleanup, etc.

ui/views/ime/mock_input_method.cc

Index: ui/views/ime/mock_input_method.cc
diff --git a/ui/views/ime/mock_input_method.cc b/ui/views/ime/mock_input_method.cc
index 91d6a63ad973739d27a387bda78a2782db9f1e51..9055d060eacd0c38522b815298e01806137142b4 100644
--- a/ui/views/ime/mock_input_method.cc
+++ b/ui/views/ime/mock_input_method.cc
@@ -33,7 +33,7 @@ MockInputMethod::MockInputMethod(internal::InputMethodDelegate* delegate)
       locale_("en-US"),
       direction_(base::i18n::LEFT_TO_RIGHT),
       active_(true) {
-  set_delegate(delegate);
+  SetDelegate(delegate);
 }
 
 MockInputMethod::~MockInputMethod() {
@@ -43,6 +43,10 @@ void MockInputMethod::Init(Widget* widget) {
   InputMethodBase::Init(widget);
 }
 
+void MockInputMethod::OnFocus() {}
+
+void MockInputMethod::OnBlur() {}
+
 void MockInputMethod::DispatchKeyEvent(const ui::KeyEvent& key) {
   bool handled = (composition_changed_ || result_text_.length()) &&
       !IsTextInputTypeNone();