Move chrome.runtime to //extensions.

extensions/extensions.gyp

Index: extensions/extensions.gyp
diff --git a/extensions/extensions.gyp b/extensions/extensions.gyp
index faaa42bcf556b1e854137ea71f54cb98016a50a2..b1cccb1c9141da21c2789f7b7561c42f6d8ca1c0 100644
--- a/extensions/extensions.gyp
+++ b/extensions/extensions.gyp
@@ -253,6 +253,10 @@
         'browser/api/dns/host_resolver_wrapper.h',
         'browser/api/extensions_api_client.cc',
         'browser/api/extensions_api_client.h',
+        'browser/api/runtime/runtime_api.cc',
+        'browser/api/runtime/runtime_api.h',
+        'browser/api/runtime/runtime_api_delegate.cc',
+        'browser/api/runtime/runtime_api_delegate.h',
         'browser/api/socket/socket.cc',
         'browser/api/socket/socket.h',
         'browser/api/socket/socket_api.cc',
@@ -405,6 +409,7 @@
           # when enable_extensions==0.
           'sources/': [
             ['exclude', '^browser/api/'],
+            ['include', '^browser/api/runtime/runtime_api.cc'],
           ],
           'sources!': [
             'browser/browser_context_keyed_service_factories.cc',
@@ -552,12 +557,15 @@
       ],
       'include_dirs': [
         '..',
+        '<(SHARED_INTERMEDIATE_DIR)',
       ],
       'sources': [
         'browser/test_extensions_browser_client.cc',
         'browser/test_extensions_browser_client.h',
         'browser/test_management_policy.cc',
         'browser/test_management_policy.h',
+        'browser/test_runtime_api_delegate.cc',
+        'browser/test_runtime_api_delegate.h',
         'common/extension_builder.cc',
         'common/extension_builder.h',
         'common/test_util.cc',