Delete test_shell.

webkit/tools/test_shell/mac/test_shell_webview.h

-// Copyright (c) 2008 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 <Cocoa/Cocoa.h>
-
-class TestShell;
-
-// A view to wrap the WebCore view and help it live in a Cocoa world. The
-// (rough) equivalent of Apple's WebView.
-
-@interface TestShellWebView : NSView {
- @private
-  TestShell *shell_; // weak
-  NSTrackingArea *trackingArea_;
-}
-
-- (IBAction)goBack:(id)sender;
-- (IBAction)goForward:(id)sender;
-- (IBAction)reload:(id)sender;
-- (IBAction)stopLoading:(id)sender;
-- (IBAction)takeURLStringValueFrom:(NSTextField *)sender;
-
-- (void)mouseDown:(NSEvent *)theEvent;
-- (void)rightMouseDown:(NSEvent *)theEvent;
-- (void)otherMouseDown:(NSEvent *)theEvent;
-- (void)mouseUp:(NSEvent *)theEvent;
-- (void)rightMouseUp:(NSEvent *)theEvent;
-- (void)otherMouseUp:(NSEvent *)theEvent;
-- (void)mouseMoved:(NSEvent *)theEvent;
-- (void)mouseDragged:(NSEvent *)theEvent;
-- (void)scrollWheel:(NSEvent *)theEvent;
-- (void)rightMouseDragged:(NSEvent *)theEvent;
-- (void)otherMouseDragged:(NSEvent *)theEvent;
-- (void)mouseEntered:(NSEvent *)theEvent;
-- (void)mouseExited:(NSEvent *)theEvent;
-- (void)keyDown:(NSEvent *)theEvent;
-- (void)keyUp:(NSEvent *)theEvent;
-- (BOOL)isOpaque;
-- (void)setFrame:(NSRect)frameRect;
-- (void)setIsActive:(BOOL)active;
-
-@property (nonatomic, assign) TestShell *shell;
-
-@end