[win] Create ModuleDatabase and ModuleEventSinkImpl.

chrome/common/conflicts/module_event_sink_win.mojom

 // Copyright 2016 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.
 
 module mojom;
 
 // The types of module events that can occur.
 enum ModuleEventType {
   // A module was already loaded, but its presence is being observed.
   MODULE_ALREADY_LOADED,
   // A module is in the process of being loaded.
   MODULE_LOADED,
   // A module is in the process of being unloaded.
   MODULE_UNLOADED,
 };
 
-// A notification about a module being loaded or unloaded.
-struct ModuleEvent {
-  // The type of event.
-  ModuleEventType event_type;
-  // The full path to the module being loaded or unloaded.
-  string module_path;
-  // The load address of the module.
-  uint64 load_address;
-  // The size of the module in memory, in bytes.
-  uint32 size;
+// Interface for a remote consumer of module events.
+interface ModuleEventSink {
+  // Notifies the module database of a module event in a remote process. The
+  // module is identified only by its load address, which is sufficient for
+  // any process to safely look up the module.
+  OnModuleEvent(ModuleEventType event_type, uint64 load_address);
 };