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diff --git a/chromium/ppapi/cpp/module.h b/chromium/ppapi/cpp/module.h
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+// Copyright (c) 2012 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 PPAPI_CPP_MODULE_H_
+#define PPAPI_CPP_MODULE_H_
+
+#include <map>
+#include <string>
+
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/c/pp_module.h"
+#include "ppapi/c/pp_stdint.h"
+#include "ppapi/c/ppb.h"
+#include "ppapi/c/ppb_core.h"
+#include "ppapi/cpp/core.h"
+
+
+/// @file
+/// This file defines a Module class.
+namespace pp {
+
+class Instance;
+
+/// The Module class.  The browser calls CreateInstance() to create
+/// an instance of your module on the web page.  The browser creates a new
+/// instance for each <code>\<embed></code> tag with
+/// <code>type="application/x-nacl"</code>
+class Module {
+ public:
+  typedef std::map<PP_Instance, Instance*> InstanceMap;
+
+  // You may not call any other PP functions from the constructor, put them
+  // in Init instead. Various things will not be set up until the constructor
+  // completes.
+  Module();
+  virtual ~Module();
+
+  /// Get() returns the global instance of this module object, or NULL if the
+  /// module is not initialized yet.
+  ///
+  /// @return The global instance of the module object.
+  static Module* Get();
+
+  /// Init() is automatically called after the object is created. This is where
+  /// you can put functions that rely on other parts of the API, now that the
+  /// module has been created.
+  ///
+  /// @return true if successful, otherwise false.
+  virtual bool Init();
+
+  /// The pp_module() function returns the internal module handle.
+  ///
+  /// @return A <code>PP_Module</code> internal module handle.
+  PP_Module pp_module() const { return pp_module_; }
+
+  /// The get_browser_interface() function returns the internal
+  /// <code>get_browser_interface</code> pointer.
+  ///
+  /// @return A <code>PPB_GetInterface</code> internal pointer.
+  // TODO(sehr): This should be removed once the NaCl browser plugin no longer
+  // needs it.
+  PPB_GetInterface get_browser_interface() const {
+    return get_browser_interface_;
+  }
+
+  /// The core() function returns the core interface for doing basic
+  /// global operations. The return value is guaranteed to be non-NULL once the
+  /// module has successfully initialized and during the Init() call.
+  ///
+  /// It will be NULL before Init() has been called.
+  ///
+  /// @return The core interface for doing basic global operations.
+  Core* core() { return core_; }
+
+  /// GetPluginInterface() implements <code>GetInterface</code> for the browser
+  /// to get module interfaces. If you need to provide your own implementations
+  /// of new interfaces, use AddPluginInterface() which this function will use.
+  ///
+  /// @param[in] interface_name The module interface for the browser to get.
+  const void* GetPluginInterface(const char* interface_name);
+
+  /// GetBrowserInterface() returns interfaces which the browser implements
+  /// (i.e. PPB interfaces).
+  /// @param[in] interface_name The browser interface for the module to get.
+  const void* GetBrowserInterface(const char* interface_name);
+
+  /// InstanceForPPInstance() returns the object associated with this
+  /// <code>PP_Instance</code>, or NULL if one is not found. This should only
+  /// be called from the main thread! This instance object may be destroyed at
+  /// any time on the main thread, so using it on other threads may cause a
+  /// crash.
+  ///
+  /// @param[in] instance This <code>PP_Instance</code>.
+  ///
+  /// @return The object associated with this <code>PP_Instance</code>,
+  /// or NULL if one is not found.
+  Instance* InstanceForPPInstance(PP_Instance instance);
+
+  /// AddPluginInterface() adds a handler for a provided interface name. When
+  /// the browser requests that interface name, the provided
+  /// <code>vtable</code> will be returned.
+  ///
+  /// In general, modules will not need to call this directly. Instead, the
+  /// C++ wrappers for each interface will register themselves with this
+  /// function.
+  ///
+  /// This function may be called more than once with the same interface name
+  /// and vtable with no effect. However, it may not be used to register a
+  /// different vtable for an already-registered interface. It will assert for
+  /// a different registration for an already-registered interface in debug
+  /// mode, and just ignore the registration in release mode.
+  ///
+  /// @param[in] interface_name The interface name that will receive a handler.
+  /// @param[in,out] vtable The vtable to return for
+  /// <code>interface_name</code>.
+  void AddPluginInterface(const std::string& interface_name,
+                          const void* vtable);
+
+  // InternalInit() sets the browser interface and calls the regular Init()
+  /// function that can be overridden by the base classes.
+  ///
+  /// @param[in] mod A <code>PP_Module</code>.
+  /// @param[in] get_browser_interface The browser interface to set.
+  ///
+  /// @return true if successful, otherwise false.
+  // TODO(brettw) make this private when I can figure out how to make the
+  // initialize function a friend.
+  bool InternalInit(PP_Module mod,
+                    PPB_GetInterface get_browser_interface);
+
+  /// The current_instances() function allows iteration over the
+  /// current instances in the module.
+  ///
+  /// @return An <code>InstanceMap</code> of all instances in the module.
+  const InstanceMap& current_instances() const { return current_instances_; }
+
+ protected:
+  /// CreateInstance() should be overridden to create your own module type.
+  ///
+  /// @param[in] instance A <code>PP_Instance</code>.
+  ///
+  /// @return The resulting instance.
+  virtual Instance* CreateInstance(PP_Instance instance) = 0;
+
+ private:
+  friend PP_Bool Instance_DidCreate(PP_Instance pp_instance,
+                                    uint32_t argc,
+                                    const char* argn[],
+                                    const char* argv[]);
+  friend void Instance_DidDestroy(PP_Instance instance);
+
+  // Unimplemented (disallow copy and assign).
+  Module(const Module&);
+  Module& operator=(const Module&);
+
+  // Instance tracking.
+  InstanceMap current_instances_;
+
+  PP_Module pp_module_;
+  PPB_GetInterface get_browser_interface_;
+
+  Core* core_;
+
+  // All additional interfaces this plugin can handle as registered by
+  // AddPluginInterface.
+  typedef std::map<std::string, const void*> InterfaceMap;
+  InterfaceMap additional_interfaces_;
+};
+
+}  // namespace pp
+
+#endif  // PPAPI_CPP_MODULE_H_