sync compositor: Remove sync input path

content/common/android/sync_compositor_messages.h

 // Copyright 2015 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 <stddef.h>
 
 #include "base/memory/shared_memory_handle.h"
 #include "cc/output/begin_frame_args.h"
 #include "cc/output/compositor_frame.h"
 #include "cc/output/compositor_frame_ack.h"
@@ skipping 115 matching lines @@
   IPC_STRUCT_TRAITS_MEMBER(need_animate_scroll)
   IPC_STRUCT_TRAITS_MEMBER(need_invalidate_count)
   IPC_STRUCT_TRAITS_MEMBER(need_begin_frame)
   IPC_STRUCT_TRAITS_MEMBER(did_activate_pending_tree_count)
 IPC_STRUCT_TRAITS_END()
 
 // Messages sent from the browser to the renderer.
 // Synchronous IPCs are allowed here to the renderer compositor thread. See
 // design doc https://goo.gl/Tn81FW and crbug.com/526842 for details.
 
-IPC_SYNC_MESSAGE_ROUTED2_2(SyncCompositorMsg_HandleInputEvent,
-                           content::SyncCompositorCommonBrowserParams,
-                           IPC::WebInputEventPointer,
-                           content::SyncCompositorCommonRendererParams,
-                           content::InputEventAckState)
-
 IPC_SYNC_MESSAGE_ROUTED2_1(SyncCompositorMsg_BeginFrame,
                            content::SyncCompositorCommonBrowserParams,
                            cc::BeginFrameArgs,
                            content::SyncCompositorCommonRendererParams)
 
 IPC_MESSAGE_ROUTED2(SyncCompositorMsg_ComputeScroll,
                     content::SyncCompositorCommonBrowserParams,
                     base::TimeTicks);
 
 IPC_SYNC_MESSAGE_ROUTED2_3(SyncCompositorMsg_DemandDrawHw,
@@ skipping 36 matching lines @@
 
 IPC_MESSAGE_ROUTED1(SyncCompositorMsg_SetScroll, gfx::ScrollOffset);
 
 // -----------------------------------------------------------------------------
 // Messages sent from the renderer to the browser.
 
 IPC_MESSAGE_ROUTED0(SyncCompositorHostMsg_OutputSurfaceCreated);
 
 IPC_MESSAGE_ROUTED1(SyncCompositorHostMsg_UpdateState,
                     content::SyncCompositorCommonRendererParams)
-
-IPC_MESSAGE_ROUTED2(SyncCompositorHostMsg_OverScroll,
-                    content::SyncCompositorCommonRendererParams,
-                    content::DidOverscrollParams)