Mojo: Make a public test_support shared library.

mojo/mojo.gyp

Index: mojo/mojo.gyp
diff --git a/mojo/mojo.gyp b/mojo/mojo.gyp
index 765a877b34688cc284ad4465d2afaf2879828736..4c9a5fce7da0820ff34b8db007e83fea65d868c9 100644
--- a/mojo/mojo.gyp
+++ b/mojo/mojo.gyp
@@ -68,6 +68,8 @@
         '../testing/gtest.gyp:gtest',
         'mojo_system',
         'mojo_system_impl',
+        'mojo_test_support',
+        'mojo_test_support_impl',
       ],
       'sources': [
         'common/test/run_all_unittests.cc',
@@ -80,6 +82,8 @@
         '../base/base.gyp:test_support_base',
         'mojo_system',
         'mojo_system_impl',
+        'mojo_test_support',
+        'mojo_test_support_impl',
       ],
       'sources': [
         'common/test/run_all_perftests.cc',
@@ -211,6 +215,17 @@
       ],
     },
     {
+      'target_name': 'mojo_test_support_impl',
+      'type': 'static_library',
+      'dependencies': [
+        '../base/base.gyp:base',
+      ],
+      'sources': [
+        'common/test/test_support_impl.cc',
+        'common/test/test_support_impl.h',
+      ],
+    },
+    {
       'target_name': 'mojo_common_lib',
       'type': '<(component)',
       'defines': [