Fix Views Combobox and Tree View text input.

ui/views/controls/combobox/combobox.cc

Index: ui/views/controls/combobox/combobox.cc
diff --git a/ui/views/controls/combobox/combobox.cc b/ui/views/controls/combobox/combobox.cc
index 4c107886234848a180f2f8f35f684d9d6307249c..c78c59f599ddeb71f9af3331061a43ce8ce5c2c7 100644
--- a/ui/views/controls/combobox/combobox.cc
+++ b/ui/views/controls/combobox/combobox.cc
@@ -14,6 +14,7 @@
 #include "ui/views/controls/combobox/combobox_listener.h"
 #include "ui/views/controls/native/native_view_host.h"
 #include "ui/views/controls/prefix_selector.h"
+#include "ui/views/ime/input_method.h"
 #include "ui/views/widget/widget.h"
 
 namespace views {
@@ -140,6 +141,8 @@ bool Combobox::OnKeyReleased(const ui::KeyEvent& e) {
 }
 
 void Combobox::OnFocus() {
+  if (GetInputMethod())
+    GetInputMethod()->OnFocus();
   // Forward the focus to the wrapper.
   if (native_wrapper_) {
     native_wrapper_->SetFocus();
@@ -151,6 +154,8 @@ void Combobox::OnFocus() {
 }
 
 void Combobox::OnBlur() {
+  if (GetInputMethod())
+    GetInputMethod()->OnBlur();
   if (selector_)
     selector_->OnViewBlur();
   if (native_wrapper_)