views: Convert IsEnabled() to just enabled() since it's just a simple accessor.

ui/views/controls/native_control.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/views/controls/native_control.h"
 
 #include <atlbase.h>
 #include <atlapp.h>
 #include <atlcrack.h>
 #include <atlframe.h>
@@ skipping 180 matching lines @@
 void NativeControl::ValidateNativeControl() {
   if (hwnd_view_ == NULL) {
     hwnd_view_ = new NativeViewHost;
     AddChildView(hwnd_view_);
   }
 
   if (!container_ && IsVisible()) {
     container_ = new NativeControlContainer(this);
     container_->Init();
     hwnd_view_->Attach(*container_);
-    if (!IsEnabled())
-      EnableWindow(GetNativeControlHWND(), IsEnabled());
+    if (!enabled())
+      EnableWindow(GetNativeControlHWND(), enabled());
 
     // This message ensures that the focus border is shown.
     ::SendMessage(container_->GetControl(),
                   WM_CHANGEUISTATE,
                   MAKELPARAM(UIS_CLEAR, UISF_HIDEFOCUS),
                   0);
   }
 }
 
 void NativeControl::ViewHierarchyChanged(bool is_add, View *parent,
@@ skipping 94 matching lines @@
       ::DestroyWindow(*container_);
     } else if (f && !container_) {
       ValidateNativeControl();
     }
   }
 }
 
 void NativeControl::OnEnabledChanged() {
   View::OnEnabledChanged();
   if (GetNativeControlHWND())
-    EnableWindow(GetNativeControlHWND(), IsEnabled());
+    EnableWindow(GetNativeControlHWND(), enabled());
 }
 
 void NativeControl::OnPaint(gfx::Canvas* canvas) {
 }
 
 void NativeControl::VisibilityChanged(View* starting_from, bool is_visible) {
   SetVisible(is_visible);
 }
 
 void NativeControl::SetFixedWidth(int width, Alignment alignment) {
@@ skipping 55 matching lines @@
   } else if (message == WM_DESTROY) {
     ui::SetWindowProc(window, reinterpret_cast<WNDPROC>(original_handler));
     native_control->container_->prop_.reset();
   }
 
   return CallWindowProc(reinterpret_cast<WNDPROC>(original_handler), window,
                         message, w_param, l_param);
 }
 
 }  // namespace views