[Autofill] Add basic version of GridLayout

chrome/browser/ui/cocoa/autofill/layout_view.mm

+// Copyright (c) 2013 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.
+
+#import "chrome/browser/ui/cocoa/autofill/layout_view.h"
+
+#include "chrome/browser/ui/cocoa/autofill/simple_grid_layout.h"
+
+@implementation LayoutView
+
+- (void)setLayoutManager:(scoped_ptr<SimpleGridLayout>)layout {
+  layout_ = layout.Pass();
+}
+
+- (SimpleGridLayout*)layoutManager {
+  return layout_.get();
+}
+
+- (void)resizeSubviewsWithOldSize:(NSSize)oldBoundsSize {
+  [super resizeSubviewsWithOldSize:oldBoundsSize];
+  [self performLayout];
+}
+
+- (void)performLayout {
+  layout_->Layout(self);
+}
+
+- (CGFloat)preferredHeightForWidth:(CGFloat)width {
+  return layout_->GetPreferredHeightForWidth(width);
+}
+
+@end