Update on feedback, update dbus API, add unit tests. TEST=manual,unit,BVT BUG=3628 323

SConstruct

Index: SConstruct
diff --git a/SConstruct b/SConstruct
index 307f073618213436f93469b5f8eecf39f2fe8034..fec6e71152df605c294ca79bbda52c28177cfe54 100644
--- a/SConstruct
+++ b/SConstruct
@@ -13,21 +13,23 @@ dbus_client_builder = Builder(action = 'dbus-binding-tool --mode=glib-client --p
 env.Append(BUILDERS = { 'DbusServerBindings' : dbus_server_builder,
                         'DbusClientBindings' : dbus_client_builder})
 # setup sources
-serverlib_sources = env.Split("""interface.cc
+commonlib_sources = env.Split("""crypto.cc
+                                 interface.cc
                                  mount.cc
+                                 platform.cc
                                  secure_blob.cc
                                  service.cc
                                  username_passkey.cc
                                  vault_keyset.cc
                               """)
 server_sources = env.Split("""cryptohomed.cc""")
-client_sources = env.Split("""cryptohome.cc
-                              secure_blob.cc
-                              username_passkey.cc
-                            """)
-test_sources = env.Split("""service_unittest.cc
+client_sources = env.Split("""cryptohome.cc""")
+test_sources = env.Split("""crypto_unittest.cc
+                            service_unittest.cc
                             mount_unittest.cc
+                            secure_blob_unittest.cc
                             username_passkey_unittest.cc
+                            vault_keyset_unittest.cc
                             cryptohome_testrunner.cc
                          """)
 
@@ -52,19 +54,20 @@ for key in Split('PKG_CONFIG_LIBDIR PKG_CONFIG_PATH SYSROOT'):
 env.Append(LIBPATH = ['.'])
 env.ParseConfig('pkg-config --cflags --libs gobject-2.0 dbus-1 dbus-glib-1')
 
-env_serverlib = env.Clone()
-env_serverlib.DbusServerBindings('bindings/server.h', 'cryptohome.xml')
-env_serverlib.SharedLibrary('cryptohome_service', serverlib_sources)
+env_commonlib = env.Clone()
+env_commonlib.SharedLibrary('cryptohome', commonlib_sources)
 
 env_server = env.Clone()
-env_server.Append(LIBS=['cryptohome_service'])
+env_server.Append(LIBS=['cryptohome'])
+env_server.DbusServerBindings('bindings/server.h', 'cryptohome.xml')
 env_server.Program('cryptohomed', server_sources)
 
-# TODO(wad) we'll probably want a separate runner for client roundtrip tests
-env_tests = env.Clone()
-env_tests.Append(LIBS=['cryptohome_service', 'gtest', 'gmock'])
-env_tests.Program('cryptohome_testrunner', test_sources)
-
 env_client = env.Clone()
+env_client.Append(LIBS=['cryptohome'])
 env_client.DbusClientBindings('bindings/client.h', 'cryptohome.xml')
 env_client.Program('cryptohome', client_sources)
+
+# TODO(wad) we'll probably want a separate runner for client roundtrip tests
+env_tests = env.Clone()
+env_tests.Append(LIBS=['cryptohome', 'gtest', 'gmock'])
+env_tests.Program('cryptohome_testrunner', test_sources)