views: Moves TextfieldController/TextRange into their own headers.

chrome/browser/chromeos/login/existing_user_view.h

Index: chrome/browser/chromeos/login/existing_user_view.h
diff --git a/chrome/browser/chromeos/login/existing_user_view.h b/chrome/browser/chromeos/login/existing_user_view.h
index 08c4eeabd07807f7fd46fa057748318a5a361543..be5c5ce959b60a81a1b0a3d32c6b19078530b896 100644
--- a/chrome/browser/chromeos/login/existing_user_view.h
+++ b/chrome/browser/chromeos/login/existing_user_view.h
@@ -10,7 +10,7 @@
 #include "chrome/browser/chromeos/login/user_input.h"
 #include "views/accelerator.h"
 #include "views/controls/button/native_button.h"
-#include "views/controls/textfield/textfield.h"
+#include "views/controls/textfield/textfield_controller.h"
 #include "views/view.h"
 
 namespace chromeos {
@@ -19,7 +19,7 @@ class UserController;
 
 class ExistingUserView : public ThrobberHostView,
                          public UserInput,
-                         public views::Textfield::Controller {
+                         public views::TextfieldController {
  public:
   explicit ExistingUserView(UserController* user_controller);
 
@@ -27,23 +27,24 @@ class ExistingUserView : public ThrobberHostView,
 
   void FocusPasswordField();
 
-  // Overridden from views::View:
+  // views::View:
   virtual bool AcceleratorPressed(const views::Accelerator& accelerator);
-  // Overriden from Textfield::Controller:
+
+  // views::TextfieldController:
   virtual void ContentsChanged(views::Textfield* sender,
                                const string16& new_contents);
   virtual bool HandleKeyEvent(views::Textfield* sender,
                               const views::KeyEvent& keystroke);
   virtual void RequestFocus();
 
-  // Overriden from UserInput:
+  // UserInput:
   virtual void EnableInputControls(bool enabled);
   virtual void ClearAndFocusControls();
   virtual void ClearAndFocusPassword();
   virtual gfx::Rect GetMainInputScreenBounds() const;
 
  protected:
-  // Overridden from views::View:
+  // views::View:
   virtual void OnLocaleChanged();
 
  private: