More out-of-lining of test code, along with a bunch of GMOCK objects.

remoting/remoting.gyp

Index: remoting/remoting.gyp
diff --git a/remoting/remoting.gyp b/remoting/remoting.gyp
index 88b75ce11849c9cf70385c9f33b47e873f673f9f..0ee8142de85cc1db6e7d7184631091800cf6bb90 100644
--- a/remoting/remoting.gyp
+++ b/remoting/remoting.gyp
@@ -468,19 +468,21 @@
         'host/access_verifier_unittest.cc',
         'host/chromoting_host_context_unittest.cc',
         'host/chromoting_host_unittest.cc',
-        'host/differ_unittest.cc',
         'host/differ_block_unittest.cc',
+        'host/differ_unittest.cc',
         'host/heartbeat_sender_unittest.cc',
         'host/host_key_pair_unittest.cc',
+        'host/host_mock_objects.cc',
+        'host/host_mock_objects.h',
         'host/json_host_config_unittest.cc',
-        'host/mock_objects.h',
         'host/screen_recorder_unittest.cc',
         'host/test_key_pair.h',
         'jingle_glue/channel_socket_adapter_unittest.cc',
+        'jingle_glue/iq_request_unittest.cc',
         'jingle_glue/jingle_client_unittest.cc',
+        'jingle_glue/jingle_glue_mock_objects.cc',
+        'jingle_glue/jingle_glue_mock_objects.h',
         'jingle_glue/jingle_thread_unittest.cc',
-        'jingle_glue/iq_request_unittest.cc',
-        'jingle_glue/mock_objects.h',
         'jingle_glue/stream_socket_adapter_unittest.cc',
         'protocol/connection_to_client_unittest.cc',
         'protocol/fake_session.cc',
@@ -488,7 +490,8 @@
         'protocol/jingle_session_unittest.cc',
         'protocol/message_decoder_unittest.cc',
         'protocol/message_reader_unittest.cc',
-        'protocol/mock_objects.h',
+        'protocol/protocol_mock_objects.cc',
+        'protocol/protocol_mock_objects.h',
         'protocol/rtp_video_reader_unittest.cc',
         'protocol/rtp_video_writer_unittest.cc',
         'protocol/session_manager_pair.cc',