Use the WebKit default fonts when specifying generic font families.

ppapi/proxy/host_dispatcher.h

 // 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 PPAPI_PROXY_HOST_DISPATCHER_H_
 #define PPAPI_PROXY_HOST_DISPATCHER_H_
 
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/process.h"
 #include "ppapi/c/pp_instance.h"
 #include "ppapi/proxy/dispatcher.h"
 #include "ppapi/proxy/plugin_var_tracker.h"
 #include "ppapi/shared_impl/function_group_base.h"
 
 struct PPB_Proxy_Private;
 struct PPB_Var_Deprecated;
 
 namespace base {
 class WaitableEvent;
 }
 
 namespace IPC {
 class SyncChannel;
 }
 
+namespace ppapi {
+struct Preferences;
+}
+
 namespace pp {
 namespace proxy {
 
 class InterfaceProxy;
 class VarSerialization;
 
 class HostDispatcher : public Dispatcher {
  public:
   // Constructor for the renderer side.
   //
   // You must call InitHostWithChannel after the constructor.
   HostDispatcher(base::ProcessHandle host_process_handle,
                  PP_Module module,
                  GetInterfaceFunc local_get_interface);
   ~HostDispatcher();
 
   // You must call this function before anything else. Returns true on success.
   // The delegate pointer must outlive this class, ownership is not
   // transferred.
   virtual bool InitHostWithChannel(Delegate* delegate,
                                    const IPC::ChannelHandle& channel_handle,
-                                   bool is_client);
+                                   bool is_client,
+                                   const ppapi::Preferences& preferences);
 
   // The host side maintains a mapping from PP_Instance to Dispatcher so
   // that we can send the messages to the right channel.
   static HostDispatcher* GetForInstance(PP_Instance instance);
   static void SetForInstance(PP_Instance instance,
                              HostDispatcher* dispatcher);
   static void RemoveForInstance(PP_Instance instance);
 
   // Returns the host's notion of our PP_Module. This will be different than
   // the plugin's notion of its PP_Module because the plugin process may be
@@ skipping 87 matching lines @@
  private:
   HostDispatcher* dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedModuleReference);
 };
 
 }  // namespace proxy
 }  // namespace pp
 
 #endif  // PPAPI_PROXY_HOST_DISPATCHER_H_