Revert of Straightens outs DEPS in mojo/common

mojo/common/BUILD.gn

Index: mojo/common/BUILD.gn
diff --git a/mojo/common/BUILD.gn b/mojo/common/BUILD.gn
index 6dfed2fd3562afbbb9cf17f3cd6021615d77b613..99f0ba52632b4bc90c05e7dfb8b4022b77e4df08 100644
--- a/mojo/common/BUILD.gn
+++ b/mojo/common/BUILD.gn
@@ -21,6 +21,13 @@
     "data_pipe_file_utils.cc",
     "data_pipe_utils.cc",
     "data_pipe_utils.h",
+    "handle_watcher.cc",
+    "handle_watcher.h",
+    "message_pump_mojo.cc",
+    "message_pump_mojo.h",
+    "message_pump_mojo_handler.h",
+    "time_helper.cc",
+    "time_helper.h",
     "user_agent.cc",
     "user_agent.h",
     "weak_binding_set.h",
@@ -32,11 +39,7 @@
   deps = [
     "//base",
     "//base/third_party/dynamic_annotations",
-    "//mojo/environment:chromium",
     "//third_party/mojo/src/mojo/public/c/system:for_component",
-    "//third_party/mojo/src/mojo/public/cpp/bindings",
-    "//third_party/mojo/src/mojo/public/cpp/environment",
-    "//third_party/mojo/src/mojo/public/cpp/system",
   ]
 }
 
@@ -75,7 +78,6 @@
     "//base:message_loop_tests",
     "//base/test:test_support",
     "//mojo/environment:chromium",
-    "//mojo/message_pump",
     "//testing/gtest",
     "//third_party/mojo/src/mojo/edk/test:run_all_unittests",
     "//third_party/mojo/src/mojo/edk/test:test_support",
@@ -85,11 +87,9 @@
   ]
 
   sources = [
-    # The message_pump tests are so small and some what related to this code
-    # that we put them here.
-    "../message_pump/handle_watcher_unittest.cc",
-    "../message_pump/message_pump_mojo_unittest.cc",
     "common_type_converters_unittest.cc",
+    "handle_watcher_unittest.cc",
+    "message_pump_mojo_unittest.cc",
   ]
 }