[Mac] Properly call setIsActive() when becoming and resigning key window.

webkit/tools/test_shell/mac/webview_host.mm

 // 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>
 
 #include "webkit/tools/test_shell/webview_host.h"
 #include "webkit/tools/test_shell/mac/test_shell_webview.h"
 
 #include "base/gfx/rect.h"
 #include "base/gfx/size.h"
 #include "skia/ext/platform_canvas.h"
 #include "webkit/api/public/WebSize.h"
 #include "webkit/api/public/WebView.h"
 #include "webkit/glue/webpreferences.h"
+#include "webkit/tools/test_shell/test_shell.h"
 #include "webkit/tools/test_shell/test_webview_delegate.h"
 
 using WebKit::WebSize;
 using WebKit::WebView;
 
 // static
 WebViewHost* WebViewHost::Create(NSView* parent_view,
                                  TestWebViewDelegate* delegate,
                                  const WebPreferences& prefs) {
   WebViewHost* host = new WebViewHost();
@@ skipping 15 matching lines @@
   host->webview()->initializeMainFrame(delegate);
   host->webwidget_->resize(WebSize(content_rect.size.width,
                                    content_rect.size.height));
 
   return host;
 }
 
 WebView* WebViewHost::webview() const {
   return static_cast<WebView*>(webwidget_);
 }
+
+void WebViewHost::SetIsActive(bool active) {
+  // Ignore calls in layout test mode so that tests don't mess with each other
+  // when running in parallel.
+  if (!TestShell::layout_test_mode())
+    webview()->setIsActive(active);
+}