content: Remove InputEventShim

There is no actual usage of this abstract class anymore.

Bug: 533069
Change-Id: I31ce5c99727a1ce11918b22a2252b3113c2c8878
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2371683Reviewed-by: Avi Drissman <avi@chromium.org>
Commit-Queue: Shimi Zhang <ctzsm@chromium.org>
Cr-Commit-Position: refs/heads/master@{#801161}

content/browser/BUILD.gn

@@ -1518,7 +1518,6 @@ source_set("browser") {
     "renderer_host/input/web_input_event_builders_android.h",
     "renderer_host/input/web_input_event_builders_mac.h",
     "renderer_host/input/web_input_event_builders_mac.mm",
-    "renderer_host/input_event_shim.h",
     "renderer_host/legacy_render_widget_host_win.cc",
     "renderer_host/legacy_render_widget_host_win.h",
     "renderer_host/media/aec_dump_manager_impl.cc",

content/browser/renderer_host/input_event_shim.h

-// Copyright 2018 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.
-
-#ifndef CONTENT_BROWSER_RENDERER_HOST_INPUT_EVENT_SHIM_H_
-#define CONTENT_BROWSER_RENDERER_HOST_INPUT_EVENT_SHIM_H_
-
-#include "ui/base/ime/mojom/text_input_state.mojom.h"
-
-namespace content {
-
-// This exists to allow BrowserPluginGuest a safe way to intercept
-// various input event messages normally handled by RenderWidgetHost.
-//
-// TODO(https://crbug.com/533069): Remove this class and all APIs using it
-// when BrowserPlugin is fully deleted.
-class InputEventShim {
- public:
-  virtual ~InputEventShim() {}
-  virtual void DidSetHasTouchEventHandlers(bool accept) = 0;
-  virtual void DidTextInputStateChange(
-      const ui::mojom::TextInputState& params) = 0;
-  virtual void DidLockMouse(bool user_gesture, bool privileged) = 0;
-  virtual void DidUnlockMouse() = 0;
-};
-
-}  // namespace content
-
-#endif /* CONTENT_BROWSER_RENDERER_HOST_INPUT_EVENT_SHIM_H_ */

content/browser/renderer_host/render_widget_host_delegate.h

@@ -13,7 +13,6 @@
 #include "base/callback.h"
 #include "build/build_config.h"
 #include "components/viz/common/vertical_scroll_direction.h"
-#include "content/browser/renderer_host/input_event_shim.h"
 #include "content/common/content_export.h"
 #include "content/common/drag_event_source_info.h"
 #include "content/public/common/drop_data.h"