First cut at "content handling" support in Mojo.

mojo/service_manager/service_manager.h

 // Copyright 2013 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 MOJO_SERVICE_MANAGER_SERVICE_MANAGER_H_
 #define MOJO_SERVICE_MANAGER_SERVICE_MANAGER_H_
 
 #include <map>
 
 #include "base/basictypes.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
 #include "mojo/public/interfaces/application/service_provider.mojom.h"
 #include "mojo/service_manager/service_loader.h"
 #include "mojo/service_manager/service_manager_export.h"
 #include "url/gurl.h"
 
 namespace mojo {
 
 class MOJO_SERVICE_MANAGER_EXPORT ServiceManager {
  public:
   // API for testing.
@@ skipping 57 matching lines @@
                           const std::string& scheme);
   // Allows to interpose a debugger to service connections.
   void SetInterceptor(Interceptor* interceptor);
 
   // Destroys all Shell-ends of connections established with Applications.
   // Applications connected by this ServiceManager will observe pipe errors
   // and have a chance to shutdown.
   void TerminateShellConnections();
 
  private:
+  struct ContentHandlerConnection;
+  class LoadCallbacksImpl;
   class ShellImpl;
+
   typedef std::map<std::string, ServiceLoader*> SchemeToLoaderMap;
   typedef std::map<GURL, ServiceLoader*> URLToLoaderMap;
   typedef std::map<GURL, ShellImpl*> URLToShellImplMap;
+  typedef std::map<GURL, ContentHandlerConnection*> URLToContentHandlerMap;
+
+  void ConnectToClient(ShellImpl* shell_impl,
+                       const GURL& url,
+                       const GURL& requestor_url,
+                       ServiceProviderPtr service_provider);
+
+  void RegisterLoadedApplication(const GURL& service_url,
+                                 const GURL& requestor_url,
+                                 ServiceProviderPtr service_provider,
+                                 ScopedMessagePipeHandle* shell_handle);
+
+  void LoadWithContentHandler(const GURL& content_url,
+                              const GURL& requestor_url,
+                              const GURL& content_handler_url,
+                              URLResponsePtr content,
+                              ServiceProviderPtr service_provider);
 
   // Returns the Loader to use for a url (using default if not overridden.)
   // The preference is to use a loader that's been specified for an url first,
   // then one that's been specified for a scheme, then the default.
   ServiceLoader* GetLoaderForURL(const GURL& url);
 
   // Removes a ShellImpl when it encounters an error.
   void OnShellImplError(ShellImpl* shell_impl);
 
   // Loader management.
   URLToLoaderMap url_to_loader_;
   SchemeToLoaderMap scheme_to_loader_;
   scoped_ptr<ServiceLoader> default_loader_;
   Interceptor* interceptor_;
 
   URLToShellImplMap url_to_shell_impl_;
+  URLToContentHandlerMap url_to_content_handler_;
+
+  base::WeakPtrFactory<ServiceManager> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ServiceManager);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_SERVICE_MANAGER_SERVICE_MANAGER_H_