Add an IPC channel between the NaCl loader process and the renderer.

content/public/renderer/render_view.h

Index: content/public/renderer/render_view.h
===================================================================
--- content/public/renderer/render_view.h	(revision 133072)
+++ content/public/renderer/render_view.h	(working copy)
@@ -6,6 +6,8 @@
 #define CONTENT_PUBLIC_RENDERER_RENDER_VIEW_H_
 
 #include "base/basictypes.h"
+#include "base/file_path.h"
+#include "base/process.h"
 #include "content/common/content_export.h"
 #include "ipc/ipc_message.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebNavigationPolicy.h"
@@ -128,6 +130,13 @@
       WebKit::WebFrame* frame,
       const WebKit::WebURLRequest& request,
       WebKit::WebNavigationPolicy policy) = 0;
+
+  // Creates the renderer side of an out-of-process Pepper plugin's IPC proxy.
+  virtual void CreateHostDispatcher(

[dmichael (off chromium), 2012/04/27 17:14:36]

It would probably make sense to make the name clearer, like... 
CreatePepperHostDispatcher, or CreatePluginHostDispatcher?

[bbudge, 2012/04/27 17:46:56]

Done.

+      const FilePath& plugin_path,
+      int plugin_child_id,
+      base::ProcessHandle plugin_process_handle,
+      const std::string& channel_handle_name) = 0;

[dmichael (off chromium), 2012/04/27 17:14:36]

linter is pointing out you should include string...  (there's no
standards-conforming way to forward reference it afaik)

[bbudge, 2012/04/27 17:46:56]

Done.

 };
 
 }  // namespace content