Remove dependency on content from remoting_host.

remoting/host/chromoting_host_context.h

Index: remoting/host/chromoting_host_context.h
diff --git a/remoting/host/chromoting_host_context.h b/remoting/host/chromoting_host_context.h
index 9de7067203243cf9d05cfa6727b71077263523b8..af6216acaba1377040d1d3652fda54b81a552dcc 100644
--- a/remoting/host/chromoting_host_context.h
+++ b/remoting/host/chromoting_host_context.h
@@ -9,6 +9,10 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 
+namespace base {
+class SingleThreadTaskRunner;
+}  // namespace base
+
 namespace net {
 class URLRequestContextGetter;
 }  // namespace net
@@ -39,7 +43,10 @@ class ChromotingHostContext {
   // the IO Thread of the browser process).
   // Instead, we re-use the |url_request_context_getter| in the browser process.
   static scoped_ptr<ChromotingHostContext> CreateForChromeOS(
-      scoped_refptr<net::URLRequestContextGetter> url_request_context_getter);
+      scoped_refptr<net::URLRequestContextGetter> url_request_context_getter,
+      scoped_refptr<base::SingleThreadTaskRunner> io_task_runner,
+      scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner,
+      scoped_refptr<base::SingleThreadTaskRunner> file_task_runner);
 #endif  // defined(OS_CHROMEOS)
 
   ~ChromotingHostContext();