Change mojo URLs from mojo://mojo_foo to mojo://foo.

mojo/shell/mojo_url_resolver_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "mojo/shell/mojo_url_resolver.h"
 
 #include "base/logging.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace mojo {
 namespace shell {
 namespace test {
 namespace {
 
 typedef testing::Test MojoURLResolverTest;
 
 TEST_F(MojoURLResolverTest, MojoURLsFallThrough) {
   MojoURLResolver resolver;
   resolver.AddCustomMapping(GURL("mojo:test"), GURL("mojo:foo"));
   const GURL base_url("file:/base");
   resolver.SetBaseURL(base_url);
-  const std::string resolved(resolver.Resolve(GURL("mojo:test")).spec());
+  std::string resolved(resolver.Resolve(GURL("mojo:test")).spec());
   // Resolved must start with |base_url|.
   EXPECT_EQ(base_url.spec(), resolved.substr(0, base_url.spec().size()));
-  // And must contain foo (which is what test mapped to.
-  EXPECT_NE(std::string::npos, resolved.find("foo"));
+  // And must contain mojo_foo (we got mapped to foo, and all libraries are
+  // prefixed with mojo_).
+  EXPECT_NE(std::string::npos, resolved.find("mojo_foo"));
+
+  // Make sure we don't double-mojo.
+  resolved = resolver.Resolve(GURL("mojo:mojo_test")).spec();
+  EXPECT_EQ(std::string::npos, resolved.find("mojo:mojo_mojo_foo"));
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace shell
 }  // namespace mojo