Cancel prerenders for pages that call window.print()

chrome/browser/prerender/prerender_message_filter.h

Index: chrome/browser/prerender/prerender_message_filter.h
diff --git a/chrome/browser/prerender/prerender_message_filter.h b/chrome/browser/prerender/prerender_message_filter.h
new file mode 100644
index 0000000000000000000000000000000000000000..5858fc24694b322f37a16781b5824ebdf74d0568
--- /dev/null
+++ b/chrome/browser/prerender/prerender_message_filter.h
@@ -0,0 +1,44 @@
+// 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.
+
+#ifndef CHROME_BROWSER_PRERENDER_PRERENDER_MESSAGE_FILTER_H_
+#define CHROME_BROWSER_PRERENDER_PRERENDER_MESSAGE_FILTER_H_
+
+#include "content/browser/browser_message_filter.h"
+
+#include "base/memory/weak_ptr.h"
+
+class BrowserRenderProcessHost;
+struct PrintHostMsg_ScriptedPrint_Params;
+struct PrintMsg_PrintPages_Params;
+
+namespace prerender {
+
+class PrerenderManager;
+
+class PrerenderMessageFilter : public BrowserMessageFilter {
+ public:
+  PrerenderMessageFilter(BrowserRenderProcessHost* browser_render_process_host,
+                         PrerenderManager* prerender_manager);
+
+  // BrowserMessageFilter methods.
+  virtual void OverrideThreadForMessage(const IPC::Message& message,
+                                        BrowserThread::ID* thread) OVERRIDE;
+  virtual bool OnMessageReceived(const IPC::Message& message,
+                                 bool* message_was_ok) OVERRIDE;
+ private:
+  virtual ~PrerenderMessageFilter() {}

[cbentzel, 2011/05/13 15:35:33]

Looks like you need to remove the inline function body here to appease clang.

[dominich, 2011/05/13 16:25:08]

Done.

+
+  void OnScriptedPrint(const PrintHostMsg_ScriptedPrint_Params& params,
+                       PrintMsg_PrintPages_Params* settings);
+
+  BrowserRenderProcessHost* browser_render_process_host_;
+  base::WeakPtr<PrerenderManager> prerender_manager_;
+
+  DISALLOW_COPY_AND_ASSIGN(PrerenderMessageFilter);
+};
+
+}
+
+#endif  // CHROME_BROWSER_PRERENDER_PRERENDER_MESSAGE_FILTER_H_