Drop refs to net::EmbeddedTestServer / net::File{Path,URL} utils in mojo

mojo/shell/shell_test_base.h

Index: mojo/shell/shell_test_base.h
diff --git a/mojo/shell/shell_test_base.h b/mojo/shell/shell_test_base.h
index 40173156f2b8a615c1acff0e12eefb52fc4a1dd2..ff5b3e7c425265a3b5cb7f3a9799aedaefff838b 100644
--- a/mojo/shell/shell_test_base.h
+++ b/mojo/shell/shell_test_base.h
@@ -15,12 +15,6 @@
 
 class GURL;
 
-namespace net {
-namespace test_server {
-class EmbeddedTestServer;
-}
-}  // namespace net
-
 namespace mojo {
 namespace shell {
 namespace test {
@@ -60,7 +54,6 @@ class ShellTestBase : public testing::Test {
   Context* shell_context() { return &shell_context_; }
 
  private:
-  scoped_ptr<net::test_server::EmbeddedTestServer> test_server_;
   Context shell_context_;
   base::MessageLoop message_loop_;