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Unified Diff: chrome_frame/dll_redirector.h

Issue 126143005: Remove Chrome Frame code and resources. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: sync to r244038 Created 6 years, 11 months ago
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Index: chrome_frame/dll_redirector.h
diff --git a/chrome_frame/dll_redirector.h b/chrome_frame/dll_redirector.h
deleted file mode 100644
index d4c61c1c17cbbe45d240d2ab8a51fd371e44e8c3..0000000000000000000000000000000000000000
--- a/chrome_frame/dll_redirector.h
+++ /dev/null
@@ -1,112 +0,0 @@
-// 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_FRAME_DLL_REDIRECTOR_H_
-#define CHROME_FRAME_DLL_REDIRECTOR_H_
-
-#include <ObjBase.h>
-#include <windows.h>
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/shared_memory.h"
-#include "base/memory/singleton.h"
-
-// Forward
-namespace ATL {
-class CSecurityAttributes;
-}
-
-namespace base {
-class Version;
-}
-
-// A singleton class that provides a facility to register the version of the
-// current module as the only version that should be loaded system-wide. If
-// this module is not the first instance loaded in the system, then the version
-// that loaded first will be delegated to. This makes a few assumptions:
-// 1) That different versions of the module this code is in reside in
-// neighbouring versioned directories, e.g.
-// C:\foo\bar\1.2.3.4\my_module.dll
-// C:\foo\bar\1.2.3.5\my_module.dll
-// 2) That the instance of this class will outlive the module that may be
-// delegated to. That is to say, that this class only guarantees that the
-// module is loaded as long as this instance is active.
-// 3) The module this is compiled into is built with version info.
-class DllRedirector {
- public:
- // Returns the singleton instance.
- static DllRedirector* GetInstance();
-
- virtual ~DllRedirector();
-
- // Attempts to register this Chrome Frame version as the first loaded version
- // on the system. If this succeeds, return true. If it fails, it returns
- // false meaning that there is another version already loaded somewhere and
- // the caller should delegate to that version instead.
- bool DllRedirector::RegisterAsFirstCFModule();
-
- // Unregisters the well known window class if we registered it earlier.
- // This is intended to be called from DllMain under PROCESS_DETACH.
- void DllRedirector::UnregisterAsFirstCFModule();
-
- // Helper function to return the DllGetClassObject function pointer from
- // the given module. This function will return NULL unless
- // RegisterAsFirstCFModule has been called first and returned false
- // indicating that another module was first in.
- //
- // On success, the return value is non-null and the first-in module will have
- // had its reference count incremented.
- LPFNGETCLASSOBJECT GetDllGetClassObjectPtr();
-
- protected:
- DllRedirector();
- friend struct DefaultSingletonTraits<DllRedirector>;
-
- // Constructor used for tests.
- explicit DllRedirector(const char* shared_memory_name);
-
- // Returns an HMODULE to the version of the module that should be loaded.
- virtual HMODULE GetFirstModule();
-
- // Returns the version of the current module or NULL if none can be found.
- // The caller must free the returned version.
- virtual base::Version* GetCurrentModuleVersion();
-
- // Attempt to load the specified version dll. Finds it by walking up one
- // directory from our current module's location, then appending the newly
- // found version number. The Version class in base will have ensured that we
- // actually have a valid version and not e.g. ..\..\..\..\MyEvilFolder\.
- virtual HMODULE LoadVersionedModule(base::Version* version);
-
- // Builds the necessary SECURITY_ATTRIBUTES to allow low integrity access
- // to an object. Returns true on success, false otherwise.
- virtual bool BuildSecurityAttributesForLock(
- ATL::CSecurityAttributes* sec_attr);
-
- // Attempts to change the permissions on the given file mapping to read only.
- // Returns true on success, false otherwise.
- virtual bool SetFileMappingToReadOnly(base::SharedMemoryHandle mapping);
-
- // Shared memory segment that contains the version beacon.
- scoped_ptr<base::SharedMemory> shared_memory_;
-
- // The current version of the DLL to be loaded.
- scoped_ptr<base::Version> dll_version_;
-
- // The handle to the first version of this module that was loaded. This
- // may refer to the current module, or another version of the same module
- // that we go and load.
- HMODULE first_module_handle_;
-
- // Used for tests to override the name of the shared memory segment.
- std::string shared_memory_name_;
-
- friend class ModuleUtilsTest;
-
- DISALLOW_COPY_AND_ASSIGN(DllRedirector);
-};
-
-#endif // CHROME_FRAME_DLL_REDIRECTOR_H_
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