Add a Content API around BrowserChildProcessHost, similar to what was done with ChildProcessHost....

content/browser/ppapi_plugin_process_host.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 CONTENT_BROWSER_PPAPI_PLUGIN_PROCESS_HOST_H_
 #define CONTENT_BROWSER_PPAPI_PLUGIN_PROCESS_HOST_H_
 #pragma once
 
 #include <queue>
 
 #include "base/basictypes.h"
 #include "base/file_path.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/ref_counted.h"
-#include "content/browser/browser_child_process_host.h"
 #include "content/browser/renderer_host/pepper_message_filter.h"
+#include "content/public/browser/browser_child_process_host_delegate.h"
+#include "content/public/browser/browser_child_process_host_iterator.h"
+#include "ipc/ipc_message.h"
+
+class BrowserChildProcessHost;
 
 namespace content {
 struct PepperPluginInfo;
 class ResourceContext;
 }
 
 namespace net {
 class HostResolver;
 }
 
 // Process host for PPAPI plugin and broker processes.
 // When used for the broker, interpret all references to "plugin" with "broker".
-class PpapiPluginProcessHost
-    : public BrowserChildProcessHost {
+class PpapiPluginProcessHost : public content::BrowserChildProcessHostDelegate,
+                               public IPC::Message::Sender {
  public:
   class Client {
    public:
     // Gets the information about the renderer that's requesting the channel.
     virtual void GetChannelInfo(base::ProcessHandle* renderer_handle,
                                 int* renderer_id) = 0;
 
     // Called when the channel is asynchronously opened to the plugin or on
     // error. On error, the parameters should be:
     //   base::kNullProcessHandle
@@ skipping 12 matching lines @@
   };
 
   virtual ~PpapiPluginProcessHost();
 
   static PpapiPluginProcessHost* CreatePluginHost(
       const content::PepperPluginInfo& info,
       net::HostResolver* host_resolver);
   static PpapiPluginProcessHost* CreateBrokerHost(
       const content::PepperPluginInfo& info);
 
+  // IPC::Message::Sender implementation:
+  virtual bool Send(IPC::Message* message) OVERRIDE;
+
   // Opens a new channel to the plugin. The client will be notified when the
   // channel is ready or if there's an error.
   void OpenChannelToPlugin(Client* client);
 
   const FilePath& plugin_path() const { return plugin_path_; }
 
   // The client pointer must remain valid until its callback is issued.
 
  private:
   class PluginNetworkObserver;
@@ skipping 35 matching lines @@
   std::queue<Client*> sent_requests_;
 
   // Path to the plugin library.
   FilePath plugin_path_;
 
   const bool is_broker_;
 
   // The unique id created for the process.
   int process_id_;
 
+  scoped_ptr<BrowserChildProcessHost> process_;
+
   DISALLOW_COPY_AND_ASSIGN(PpapiPluginProcessHost);
 };
 
+class PpapiPluginProcessHostIterator
+    : public content::BrowserChildProcessHostTypeIterator<
+          PpapiPluginProcessHost> {
+ public:
+  PpapiPluginProcessHostIterator()
+      : content::BrowserChildProcessHostTypeIterator<
+          PpapiPluginProcessHost>(content::PROCESS_TYPE_PPAPI_PLUGIN) {}
+};
+
+class PpapiBrokerProcessHostIterator
+    : public content::BrowserChildProcessHostTypeIterator<
+          PpapiPluginProcessHost> {
+ public:
+  PpapiBrokerProcessHostIterator()
+      : content::BrowserChildProcessHostTypeIterator<
+          PpapiPluginProcessHost>(content::PROCESS_TYPE_PPAPI_BROKER) {}
+};
+
 #endif  // CONTENT_BROWSER_PPAPI_PLUGIN_PROCESS_HOST_H_