input: Remove dead code.

content/browser/renderer_host/render_widget_host_view_android.cc

 // Copyright (c) 2012 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 "content/browser/renderer_host/render_widget_host_view_android.h"
 
 #include <android/bitmap.h>
 
 #include <utility>
 
@@ skipping 1721 matching lines @@
 
   if (input_event.GetType() == blink::WebInputEvent::kGestureTapDown ||
       input_event.GetType() == blink::WebInputEvent::kTouchStart) {
     GpuProcessHost::CallOnIO(GpuProcessHost::GPU_PROCESS_KIND_SANDBOXED,
                              false /* force_create */, base::Bind(&WakeUpGpu));
   }
 
   return INPUT_EVENT_ACK_STATE_NOT_CONSUMED;
 }
 
-void RenderWidgetHostViewAndroid::OnSetNeedsFlushInput() {
-  TRACE_EVENT0("input", "RenderWidgetHostViewAndroid::OnSetNeedsFlushInput");
-  AddBeginFrameRequest(FLUSH_INPUT);
-}
-
 BrowserAccessibilityManager*
     RenderWidgetHostViewAndroid::CreateBrowserAccessibilityManager(
         BrowserAccessibilityDelegate* delegate, bool for_root_frame) {
   base::android::ScopedJavaLocalRef<jobject> content_view_core_obj;
   if (for_root_frame && host_ && content_view_core_)
     content_view_core_obj = content_view_core_->GetJavaObject();
   return new BrowserAccessibilityManagerAndroid(
       content_view_core_obj,
       BrowserAccessibilityManagerAndroid::GetEmptyDocument(),
       delegate);
@@ skipping 375 matching lines @@
     uint64_t confirmed = cc::BeginFrameArgs::kInvalidFrameNumber;
     if (args.source_id == latest_confirmed_begin_frame_source_id_)
       confirmed = latest_confirmed_begin_frame_sequence_number_;
     OnDidNotProduceFrame(cc::BeginFrameAck(args.source_id, args.sequence_number,
                                            confirmed, false));
     return;
   }
 
   // Update |last_begin_frame_args_| before handling
   // |outstanding_begin_frame_requests_| to prevent the BeginFrameSource from
-  // sending the same MISSED args in infinite recursion. This may otherwise
-  // happen if |host_->OnBeginFrame()| causes a synchronous
-  // OnSetNeedsFlushInput() which can lead to
-  // |begin_frame_source_->AddObserver()| and OnBeginFrame(). By setting
-  // |last_begin_frame_args_|, we indicate to the source not to send the same
-  // args during |AddObserver()| again.
+  // sending the same MISSED args in infinite recursion.
   last_begin_frame_args_ = args;
 
-  if (outstanding_begin_frame_requests_ & FLUSH_INPUT) {
-    ClearBeginFrameRequest(FLUSH_INPUT);
-    host_->OnBeginFrame();
-  }
-
   if ((outstanding_begin_frame_requests_ & BEGIN_FRAME) ||
       (outstanding_begin_frame_requests_ & PERSISTENT_BEGIN_FRAME)) {
     ClearBeginFrameRequest(BEGIN_FRAME);
     SendBeginFrame(args);
   } else {
     OnDidNotProduceFrame(cc::BeginFrameAck(args.source_id, args.sequence_number,
                                            args.sequence_number, false));
   }
 }
 
@@ skipping 117 matching lines @@
 
   ui::WindowAndroidCompositor* compositor = window_android->GetCompositor();
   if (!compositor)
     return;
 
   overscroll_controller_ = base::MakeUnique<OverscrollControllerAndroid>(
       overscroll_refresh_handler, compositor, view_.GetDipScale());
 }
 
 }  // namespace content