Mojo: Move test_embedder.* to the mojo_system_impl component.

Also, tighten up DEPS: things outside mojo/system/ shouldn't include
things in mojo/system/, unless they're an embedder in which case they
can include things in mojo/system/embedder/.

R=sky@chromium.org

Review URL: https://codereview.chromium.org/136473007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245381 0039d316-1c4b-4281-b951-d872f2087c98

mojo/DEPS

@@ -2,6 +2,7 @@ include_rules = [
   "+base",
   "+build",
   "+mojo",
+  "-mojo/system",
   "+mojom",
   "+testing",
 ]

mojo/mojo.gyp

@@ -140,6 +140,12 @@
         'system/waiter.h',
         'system/waiter_list.cc',
         'system/waiter_list.h',
+        # Test-only code:
+        # TODO(vtl): It's a little unfortunate that these end up in the same
+        # component as non-test-only code. In the static build, this code should
+        # hopefully be dead-stripped.
+        'system/embedder/test_embedder.cc',
+        'system/embedder/test_embedder.h',
       ],
     },
     {
@@ -166,10 +172,6 @@
         'system/raw_channel_posix_unittest.cc',
         'system/remote_message_pipe_posix_unittest.cc',
         'system/simple_dispatcher_unittest.cc',
-        # TODO(vtl): Move this to mojo_system_impl (and mojo_system_impl's
-        # exports).
-        'system/embedder/test_embedder.cc',
-        'system/embedder/test_embedder.h',
         'system/test_utils.cc',
         'system/test_utils.h',
         'system/waiter_list_unittest.cc',

mojo/shell/DEPS

 include_rules = [
+  "+mojo/system/embedder",
   "+net",
   "+ui/gl",
 ]

mojo/system/embedder/test_embedder.h

@@ -5,6 +5,8 @@
 #ifndef MOJO_SYSTEM_EMBEDDER_TEST_EMBEDDER_H_
 #define MOJO_SYSTEM_EMBEDDER_TEST_EMBEDDER_H_
 
+#include "mojo/system/system_impl_export.h"
+
 namespace mojo {
 namespace embedder {
 namespace test {
@@ -12,9 +14,7 @@ namespace test {
 // This shuts down the global, singleton instance. (Note: "Real" embedders are
 // not expected to ever shut down this instance. This |Shutdown()| function will
 // do more work to ensure that tests don't leak, etc.)
-// TODO(vtl): Figure out the library/component/DLL/export situation for test
-// embedder stuff. For now, it's linked directly into the unit test binary.
-void Shutdown();
+MOJO_SYSTEM_IMPL_EXPORT void Shutdown();
 
 }  // namespace test
 }  // namespace embedder