Mojo: Move mojo/public/system/core_cpp.h to mojo/cpp/public/system/core.h.

mojo/mojo_public.gypi

 {
   'targets': [
     {
       'target_name': 'mojo_system',
       'type': 'shared_library',
       'defines': [
         'MOJO_SYSTEM_IMPLEMENTATION',
       ],
       'include_dirs': [
         '..',
       ],
       'direct_dependent_settings': {
         'include_dirs': [
           '..',
         ],
       },
       'sources': [
         'public/c/system/async_waiter.h',
         'public/c/system/core.h',
         'public/c/system/macros.h',
         'public/c/system/system_export.h',
-        'public/system/core_cpp.h',
+        'public/cpp/system/core.h',
         'public/system/core_private.cc',
         'public/system/core_private.h',
       ],
       'conditions': [
         ['OS=="mac"', {
           'xcode_settings': {
             # Make it a run-path dependent library.
             'DYLIB_INSTALL_NAME_BASE': '@rpath',
           },
           'direct_dependent_settings': {
@@ skipping 89 matching lines @@
         '../base/base.gyp:base',
         '../testing/gtest.gyp:gtest',
         'mojo_system',
         'mojo_test_support',
       ],
       'sources': [
         'public/tests/test_utils.cc',
         'public/tests/test_utils.h',
       ],
     },
+    # TODO(vtl): Reorganize the mojo_public_*_unittests.
     {
       'target_name': 'mojo_public_bindings_unittests',
       'type': 'executable',
       'dependencies': [
         '../testing/gtest.gyp:gtest',
         'mojo_bindings',
         'mojo_environment_standalone',
         'mojo_public_test_utils',
         'mojo_run_all_unittests',
         'mojo_sample_service',
@@ skipping 41 matching lines @@
       'type': 'executable',
       'dependencies': [
         '../base/base.gyp:base',
         '../testing/gtest.gyp:gtest',
         'mojo_bindings',
         'mojo_public_test_utils',
         'mojo_run_all_unittests',
         'mojo_system',
       ],
       'sources': [
-        'public/tests/system/core_cpp_unittest.cc',
-        'public/tests/system/core_unittest.cc',
-        'public/tests/system/core_unittest_pure_c.c',
+        'public/c/tests/system/core_unittest.cc',
+        'public/c/tests/system/core_unittest_pure_c.c',
+        'public/cpp/tests/system/core_unittest.cc',
         'public/tests/system/macros_unittest.cc',
       ],
     },
     {
       'target_name': 'mojo_public_utility_unittests',
       'type': 'executable',
       'dependencies': [
         '../base/base.gyp:base',
         '../testing/gtest.gyp:gtest',
         'mojo_bindings',
@@ skipping 22 matching lines @@
       'type': 'executable',
       'dependencies': [
         '../base/base.gyp:base',
         '../testing/gtest.gyp:gtest',
         'mojo_public_test_utils',
         'mojo_run_all_perftests',
         'mojo_system',
         'mojo_utility',
       ],
       'sources': [
-        'public/tests/system/core_perftest.cc',
+        'public/c/tests/system/core_perftest.cc',
       ],
     },
     {
       'target_name': 'mojo_bindings',
       'type': 'static_library',
       'include_dirs': [
         '..'
       ],
       'sources': [
         'public/bindings/allocation_scope.h',
@@ skipping 133 matching lines @@
       ],
       'dependencies': [
         'mojo_shell_bindings',
       ],
       'export_dependent_settings': [
         'mojo_shell_bindings',
       ],
     },
   ],
 }