Mac: make save/open dialogs operate as tab-modal sheets....

chrome/browser/cocoa/tab_contents_controller_view.h

+// Copyright (c) 2009 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.
+
+#ifndef CHROME_BROWSER_COCOA_TAB_CONTENTS_CONTROLLER_VIEW_H_
+#define CHROME_BROWSER_COCOA_TAB_CONTENTS_CONTROLLER_VIEW_H_
+
+#import <Cocoa/Cocoa.h>
+
+@class ToolbarController;
+
+// A view for the area tied to the tab contents controller (which is switched
+// around, i.e., inserted and removed from the view hierarchy, on tab
+// selection). (I know, the name is terrible. Logically, it should be
+// "TabContentsView", but we already have that; in fact, we already also have
+// "TabContentsViewCocoa" and "TabContentsViewMac".)
+@interface TabContentsControllerView : NSView {
+}
+
+// Returns the frame containing the view, the toolbar, and the infobars (in the
+// superview's coordinates). Only call while view is "active" (i.e., has
+// superview).
+- (NSRect)frameWithBars;
+
+// Positions sheets on the frame (below toolbar). Only call while view is
+// "active".
+- (NSRect)positionSheetBelowToolbar:(NSWindow *)sheet
+                           usingRect:(NSRect)defaultSheetRect;
+
+@end  // @interface TabContentsControllerView
+
+#endif  // CHROME_BROWSER_COCOA_TAB_CONTENTS_CONTROLLER_VIEW_H_