Make content_shell talk to run_webkit_tests.py

content/shell/shell_render_view_host_observer.cc

Index: content/shell/shell_render_view_host_observer.cc
diff --git a/content/shell/shell_render_view_host_observer.cc b/content/shell/shell_render_view_host_observer.cc
index c3529a06336b663d0959f15a3aaa70a4c59a70fb..1b2c65985766558faae6af65a79a7f18c874ecd3 100644
--- a/content/shell/shell_render_view_host_observer.cc
+++ b/content/shell/shell_render_view_host_observer.cc
@@ -38,7 +38,11 @@ bool ShellRenderViewHostObserver::OnMessageReceived(
 }
 
 void ShellRenderViewHostObserver::OnTextDump(const std::string& dump) {
+  std::cout << "Content-Type: text/plain\n";
   std::cout << dump;
+  std::cout << "#EOF\n";
+  std::cerr << "#EOF\n";
+
   MessageLoop::current()->PostTask(FROM_HERE, MessageLoop::QuitClosure());
 }