Redesigns the text input focus handling.

ui/views/focus/focus_manager.h

Index: ui/views/focus/focus_manager.h
diff --git a/ui/views/focus/focus_manager.h b/ui/views/focus/focus_manager.h
index 7d7c7dc16e02454ede26733b6d93178a823eda67..1e2988112f6e1d7b8c1bda4354980a5de7cc66be 100644
--- a/ui/views/focus/focus_manager.h
+++ b/ui/views/focus/focus_manager.h
@@ -72,8 +72,8 @@
 // is FocusTraversable.
 
 namespace ui {
-class AcceleratorTarget;
 class AcceleratorManager;
+class AcceleratorTarget;
 class EventHandler;
 class KeyEvent;
 }
@@ -156,6 +156,10 @@ class VIEWS_EXPORT FocusManager {
   // further.
   bool OnKeyEvent(const ui::KeyEvent& event);
 
+  // Changes the text input focus to |view->GetTextInputClient()| iff |view|

[msw, 2014/03/11 00:58:50]

nit: Mention that views should call this when their internal TextInputClient
instance changes.

[Yuki, 2014/03/11 15:27:37]

Done.

+  // is focused.
+  void OnTextInputClientChanged(View* view);
+
   // Returns true is the specified is part of the hierarchy of the window
   // associated with this FocusManager.
   bool ContainsView(View* view);
@@ -332,6 +336,10 @@ class VIEWS_EXPORT FocusManager {
   // and should not be processed further.
   bool ProcessArrowKeyTraversal(const ui::KeyEvent& event);
 
+  // Moves the text input focus into/out from |view|.
+  void FocusTextInputClient(View* view);
+  void BlurTextInputClient(View* view);
+
   // Keeps track of whether shortcut handling is currently suspended.
   static bool shortcut_handling_suspended_;