Use input method to control visibility of virtual keyboard

views/ime/input_method_base.cc

Index: views/ime/input_method_base.cc
diff --git a/views/ime/input_method_base.cc b/views/ime/input_method_base.cc
index a062f6bd2d4840f397df8f0e2549148981809f67..c6e9b19aeb8de8831cc97017f83313feca20c667 100644
--- a/views/ime/input_method_base.cc
+++ b/views/ime/input_method_base.cc
@@ -39,6 +39,9 @@ void InputMethodBase::Init(Widget* widget) {
   }
 
   widget_ = widget;
+  View* focused = widget->GetFocusManager()->GetFocusedView();
+  if (focused)
+    FocusWillChange(NULL, focused);
   widget->GetFocusManager()->AddFocusChangeListener(this);
 }
 
@@ -50,7 +53,14 @@ void InputMethodBase::OnBlur() {
   widget_focused_ = false;
 }
 
+void InputMethodBase::OnTextInputTypeChanged(View* view) {
+  if (view == focused_view())
+    TextInputTypeChanged(focused_view());
+}
+
 TextInputClient* InputMethodBase::GetTextInputClient() const {
+  return (focused_view_) ?
+      focused_view_->GetTextInputClient() : NULL;
   return (widget_focused_ && focused_view_) ?
       focused_view_->GetTextInputClient() : NULL;
 }
@@ -65,6 +75,7 @@ void InputMethodBase::FocusWillChange(View* focused_before, View* focused) {
   FocusedViewWillChange();
   focused_view_ = focused;
   FocusedViewDidChange();
+  TextInputTypeChanged(focused_view());
 }
 
 bool InputMethodBase::IsViewFocused(View* view) const {