Move fetching logic out of ApplicationManager, eliminate url mappings.

mojo/runner/shell_test_base_android.cc

Index: mojo/runner/shell_test_base_android.cc
diff --git a/mojo/runner/shell_test_base_android.cc b/mojo/runner/shell_test_base_android.cc
index ded757bb0c9d0d99391618de62e184ba26ee5ce3..06a3d2f60163f2ad490f0ec887703424b0a6f00d 100644
--- a/mojo/runner/shell_test_base_android.cc
+++ b/mojo/runner/shell_test_base_android.cc
@@ -30,16 +30,15 @@ JNIEnv* InitEnv() {
 
 }  // namespace
 
-void ShellTestBase::SetUpTestApplications() {
+base::FilePath ShellTestBase::GetTestAppFilePath() const {
   // Extract mojo applications, and set the resolve base URL to the directory
   // containing those.
   JNIEnv* env = InitEnv();
   base::android::ScopedJavaLocalRef<jstring> service_dir(
       Java_ShellTestBase_extractMojoApplications(
           env, base::android::GetApplicationContext()));
-  shell_context_.url_resolver()->SetMojoBaseURL(
-      mojo::util::FilePathToFileURL(base::FilePath(
-          base::android::ConvertJavaStringToUTF8(env, service_dir.obj()))));
+  return base::FilePath(base::android::ConvertJavaStringToUTF8(
+      env, service_dir.obj()));
 }
 
 }  // namespace test