Pass command line args to apptests

mojo/public/cpp/application/application_test_base.h

Index: mojo/public/cpp/application/application_test_base.h
diff --git a/mojo/public/cpp/application/application_test_base.h b/mojo/public/cpp/application/application_test_base.h
index 2f400a414ba27a128e69334182bb46d73198bc71..c845b677ee6ccb6df0141c919fa07e90e6913e91 100644
--- a/mojo/public/cpp/application/application_test_base.h
+++ b/mojo/public/cpp/application/application_test_base.h
@@ -21,10 +21,13 @@ namespace test {
 ScopedMessagePipeHandle PassShellHandle();
 void SetShellHandle(ScopedMessagePipeHandle handle);
 
+const Array<String>& Args();

[msw, 2014/11/22 18:23:38]

nit: Add a comment like "Access the command line arguments passed to the
application test."

[Chris Masone, 2014/11/22 20:14:44]

Done.

+void InitializeArgs(int argc, std::vector<const char*> argv);
+
 // A GTEST base class for application testing executed in mojo_shell.
 class ApplicationTestBase : public testing::Test {
  public:
-  explicit ApplicationTestBase(Array<String> args);
+  ApplicationTestBase();
   ~ApplicationTestBase() override;
 
  protected:
@@ -33,6 +36,8 @@ class ApplicationTestBase : public testing::Test {
   // Get the ApplicationDelegate for the application to be tested.
   virtual ApplicationDelegate* GetApplicationDelegate() = 0;
 
+  void SetUpWithArgs(Array<String> args);

[msw, 2014/11/22 18:23:38]

nit: Add a comment, like "A testing::Test::SetUp helper to override the
application command line arguments."

[Chris Masone, 2014/11/22 20:14:44]

Done.

+
   // testing::Test:
   void SetUp() override;
   void TearDown() override;