cryptohome: Convet all *Stub classes into Fake* classes

ShillProfileClientStub is renamed to FakeShillProfileClient.
ShillServiceClientStub is renamed to FakeShillServiceClient
ShillManagerClientStub is renamed to FakeShillManagerClient,
and the original FakeShillManagerClient is removed.

BUG=309506
TEST=none

Review URL: https://codereview.chromium.org/31773002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@229770 0039d316-1c4b-4281-b951-d872f2087c98

• chromeos/chromeos.gyp[diff]
• chromeos/dbus/fake_shill_manager_client.cc[diff]
• chromeos/dbus/fake_shill_manager_client.h[diff]
• chromeos/dbus/fake_shill_profile_client.cc[Renamed from chromeos/dbus/shill_profile_client_stub.cc - diff]
• chromeos/dbus/fake_shill_profile_client.h[Renamed from chromeos/dbus/shill_profile_client_stub.h - diff]
• chromeos/dbus/fake_shill_service_client.cc[Renamed from chromeos/dbus/shill_service_client_stub.cc - diff]
• chromeos/dbus/fake_shill_service_client.h[Renamed from chromeos/dbus/shill_service_client_stub.h - diff]
• chromeos/dbus/shill_manager_client.cc[diff]
• chromeos/dbus/shill_manager_client_stub.cc[Deleted - diff]
• chromeos/dbus/shill_manager_client_stub.h[Deleted - diff]
• chromeos/dbus/shill_profile_client.cc[diff]
• chromeos/dbus/shill_service_client.cc[diff]
• chromeos/dbus/shill_stub_helper.cc[diff]
• chromeos/dbus/shill_stub_helper.h[diff]