Refactor host network

chrome_frame/utils.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_FRAME_UTILS_H_
 #define CHROME_FRAME_UTILS_H_
 
 #include <atlbase.h>
 #include <string>
 #include <shdeprecated.h>
 #include <urlmon.h>
 
 #include "base/basictypes.h"
 #include "base/logging.h"
+#include "base/thread.h"
 
 // utils.h : Various utility functions and classes
 
 extern const wchar_t kChromeContentPrefix[];
 extern const wchar_t kChromeProtocolPrefix[];
 
 // This function is very similar to the AtlRegisterTypeLib function except
 // that it takes a parameter that specifies whether to register the typelib
 // for the current user only or on a machine-wide basis
 // Refer to the MSDN documentation for AtlRegisterTypeLib for a description of
@@ skipping 283 matching lines @@
     COM_INTERFACE_ENTRY_FUNC(_ATL_IIDOF(x), \
         offsetofclass(x, _ComMapClass), \
         QueryInterfaceIfDelegateSupports<_ComMapClass>)
 
 // Queries the delegated COM object for an interface, bypassing the wrapper.
 #define COM_INTERFACE_BLIND_DELEGATE() \
     COM_INTERFACE_ENTRY_FUNC_BLIND(0, CheckOutgoingInterface<_ComMapClass>)
 
 extern const wchar_t kChromeFrameHeadlessMode[];
 
+// Thread that enters STA and has a UI message loop.
+class STAThread : public base::Thread {
+ public:
+  explicit STAThread(const char *name) : Thread(name) {}
+  bool Start() {
+    return StartWithOptions(Options(MessageLoop::TYPE_UI, 0));
+  }
+ protected:
+  // Called just prior to starting the message loop
+  virtual void Init() {
+    ::CoInitialize(0);
+  }
+
+  // Called just after the message loop ends
+  virtual void CleanUp() {
+    ::CoUninitialize();
+  }
+};
+
 // The urls retrieved from the IMoniker interface don't contain the anchor
 // portion of the actual url navigated to. This function checks whether the
 // url passed in the bho_url parameter contains an anchor and if yes checks
 // whether it matches the url retrieved from the moniker. If yes it returns
 // the bho url, if not the moniker url.
 std::wstring GetActualUrlFromMoniker(IMoniker* moniker,
                                      IBindCtx* bind_context,
                                      const std::wstring& bho_url);
 
 #endif  // CHROME_FRAME_UTILS_H_