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-rw-r--r--content/renderer/input/input_handler_proxy.cc15
1 files changed, 15 insertions, 0 deletions
diff --git a/content/renderer/input/input_handler_proxy.cc b/content/renderer/input/input_handler_proxy.cc
index 3af2938..d7b594d 100644
--- a/content/renderer/input/input_handler_proxy.cc
+++ b/content/renderer/input/input_handler_proxy.cc
@@ -160,8 +160,12 @@ InputHandlerProxy::EventDisposition InputHandlerProxy::HandleInputEvent(
// main thread. Change back to DROP_EVENT once we have synchronization
// bugs sorted out.
return DID_NOT_HANDLE;
+ case cc::InputHandler::ScrollUnknown:
case cc::InputHandler::ScrollOnMainThread:
return DID_NOT_HANDLE;
+ case cc::InputHandler::ScrollStatusCount:
+ NOTREACHED();
+ break;
}
} else if (event.type == WebInputEvent::GestureScrollBegin) {
DCHECK(!gesture_scroll_on_impl_thread_);
@@ -174,6 +178,9 @@ InputHandlerProxy::EventDisposition InputHandlerProxy::HandleInputEvent(
cc::InputHandler::ScrollStatus scroll_status = input_handler_->ScrollBegin(
gfx::Point(gesture_event.x, gesture_event.y),
cc::InputHandler::Gesture);
+ UMA_HISTOGRAM_ENUMERATION("Renderer4.CompositorScrollHitTestResult",
+ scroll_status,
+ cc::InputHandler::ScrollStatusCount);
switch (scroll_status) {
case cc::InputHandler::ScrollStarted:
TRACE_EVENT_INSTANT0("input",
@@ -181,10 +188,14 @@ InputHandlerProxy::EventDisposition InputHandlerProxy::HandleInputEvent(
TRACE_EVENT_SCOPE_THREAD);
gesture_scroll_on_impl_thread_ = true;
return DID_HANDLE;
+ case cc::InputHandler::ScrollUnknown:
case cc::InputHandler::ScrollOnMainThread:
return DID_NOT_HANDLE;
case cc::InputHandler::ScrollIgnored:
return DROP_EVENT;
+ case cc::InputHandler::ScrollStatusCount:
+ NOTREACHED();
+ break;
}
} else if (event.type == WebInputEvent::GestureScrollUpdate) {
#ifndef NDEBUG
@@ -330,6 +341,7 @@ InputHandlerProxy::HandleGestureFling(
input_handler_->ScheduleAnimation();
return DID_HANDLE;
}
+ case cc::InputHandler::ScrollUnknown:
case cc::InputHandler::ScrollOnMainThread: {
TRACE_EVENT_INSTANT0("input",
"InputHandlerProxy::HandleGestureFling::"
@@ -351,6 +363,9 @@ InputHandlerProxy::HandleGestureFling(
}
return DROP_EVENT;
}
+ case cc::InputHandler::ScrollStatusCount:
+ NOTREACHED();
+ break;
}
return DID_NOT_HANDLE;
}