views: Move box_layout.[cc,h] into the new layout directory.

views/layout/box_layout_unittest.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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 "testing/gtest/include/gtest/gtest.h"
-#include "views/box_layout.h"
+#include "views/layout/box_layout.h"
 #include "views/view.h"
 
 class StaticSizedView : public views::View {
  public:
   explicit StaticSizedView(const gfx::Size& size)
     : size_(size) { }
 
   virtual gfx::Size GetPreferredSize() {
     return size_;
   }
@@ skipping 85 matching lines @@
   views::View* v1 = new StaticSizedView(gfx::Size(20, 20));
   v1->SetVisible(false);
   host_->AddChildView(v1);
   views::View* v2 = new StaticSizedView(gfx::Size(10, 10));
   host_->AddChildView(v2);
   EXPECT_EQ(gfx::Size(30, 30), layout_->GetPreferredSize(host_.get()));
   host_->SetBounds(0, 0, 30, 30);
   layout_->Layout(host_.get());
   EXPECT_EQ(gfx::Rect(10, 10, 10, 10), v2->bounds());
 }