input: Change how synthesized events are dispatched in telemetry tests.

content/browser/renderer_host/input/synthetic_pointer_action_unittest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/bind.h"
 #include "base/time/time.h"
 #include "content/browser/renderer_host/input/synthetic_gesture.h"
 #include "content/browser/renderer_host/input/synthetic_gesture_target.h"
 #include "content/browser/renderer_host/input/synthetic_pointer_action.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 47 matching lines @@
   }
   NOTREACHED() << "Invalid SyntheticPointerActionParams::PointerActionType.";
   return WebInputEvent::kUndefined;
 }
 
 class MockSyntheticPointerActionTarget : public SyntheticGestureTarget {
  public:
   MockSyntheticPointerActionTarget() {}
   ~MockSyntheticPointerActionTarget() override {}
 
-  // SyntheticGestureTarget:
-  void SetNeedsFlush() override { NOTIMPLEMENTED(); }
-
   base::TimeDelta PointerAssumedStoppedTime() const override {
     NOTIMPLEMENTED();
     return base::TimeDelta();
   }
 
   float GetTouchSlopInDips() const override {
     NOTIMPLEMENTED();
     return 0.0f;
   }
 
@@ skipping 622 matching lines @@
   ForwardSyntheticPointerAction();
   EXPECT_EQ(3, num_success_);
   EXPECT_EQ(0, num_failure_);
   EXPECT_TRUE(pointer_pen_target->SyntheticMouseActionDispatchedCorrectly(
       param3, 1, buttons, SyntheticGestureParams::PEN_INPUT));
 }
 
 }  // namespace
 
 }  // namespace content