Remove the HostEventStub aggregate interface.

remoting/protocol/protocol_mock_objects.h

Index: remoting/protocol/protocol_mock_objects.h
diff --git a/remoting/protocol/protocol_mock_objects.h b/remoting/protocol/protocol_mock_objects.h
index 2fc66bea4c11c9fd0daaca7c76cb43b2e6215809..16337a69624aa17ac272d0df6f844ba6c55649fe 100644
--- a/remoting/protocol/protocol_mock_objects.h
+++ b/remoting/protocol/protocol_mock_objects.h
@@ -14,7 +14,6 @@
 #include "remoting/protocol/client_stub.h"
 #include "remoting/protocol/clipboard_stub.h"
 #include "remoting/protocol/connection_to_client.h"
-#include "remoting/protocol/host_event_stub.h"
 #include "remoting/protocol/host_stub.h"
 #include "remoting/protocol/input_stub.h"
 #include "remoting/protocol/session.h"
@@ -99,19 +98,6 @@ class MockInputStub : public InputStub {
   DISALLOW_COPY_AND_ASSIGN(MockInputStub);
 };
 
-class MockHostEventStub : public HostEventStub {
- public:
-  MockHostEventStub();
-  virtual ~MockHostEventStub();
-
-  MOCK_METHOD1(InjectClipboardEvent, void(const ClipboardEvent& event));
-  MOCK_METHOD1(InjectKeyEvent, void(const KeyEvent& event));
-  MOCK_METHOD1(InjectMouseEvent, void(const MouseEvent& event));
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(MockHostEventStub);
-};
-
 class MockHostStub : public HostStub {
  public:
   MockHostStub();