Shell: Remove various child process type stuff.

shell/child_process_host.h

Index: shell/child_process_host.h
diff --git a/shell/child_process_host.h b/shell/child_process_host.h
index 95313507b593a95e1accbd88b33ce2d085fccee1..98909fa03d4da62f0aca5d2d289725b051d270b9 100644
--- a/shell/child_process_host.h
+++ b/shell/child_process_host.h
@@ -33,9 +33,7 @@ class ChildProcessHost {
     virtual void DidStart(bool success) = 0;
   };
 
-  ChildProcessHost(Context* context,
-                   Delegate* delegate,
-                   ChildProcess::Type type);
+  ChildProcessHost(Context* context, Delegate* delegate);
   virtual ~ChildProcessHost();
 
   // |Start()|s the child process; calls the delegate's |DidStart()| (on the
@@ -63,7 +61,6 @@ class ChildProcessHost {
 
   Context* const context_;
   Delegate* const delegate_;
-  const ChildProcess::Type type_;
 
   base::Process child_process_;