Revert "Introduce ViewRoot forwarding input/view events to native"

content/browser/renderer_host/render_widget_host_view_android.cc

Index: content/browser/renderer_host/render_widget_host_view_android.cc
diff --git a/content/browser/renderer_host/render_widget_host_view_android.cc b/content/browser/renderer_host/render_widget_host_view_android.cc
index 7cee98666b3e7f0e6cff40cbe8bbe23570f0f376..0253a8caaecd0d511fcee0cb2f697f5506369a1f 100644
--- a/content/browser/renderer_host/render_widget_host_view_android.cc
+++ b/content/browser/renderer_host/render_widget_host_view_android.cc
@@ -447,7 +447,6 @@ RenderWidgetHostViewAndroid::RenderWidgetHostViewAndroid(
       content_view_core_(nullptr),
       ime_adapter_android_(this),
       cached_background_color_(SK_ColorWHITE),
-      view_(this),
       last_compositor_frame_sink_id_(kUndefinedCompositorFrameSinkId),
       gesture_provider_(ui::GetGestureProviderConfig(
                             ui::GestureProviderConfigType::CURRENT_PLATFORM),
@@ -724,7 +723,7 @@ gfx::Size RenderWidgetHostViewAndroid::GetPhysicalBackingSize() const {
         * ui::GetScaleFactorForNativeView(GetNativeView()));
   }
 
-  return view_.GetPhysicalBackingSize();
+  return content_view_core_->GetPhysicalBackingSize();
 }
 
 bool RenderWidgetHostViewAndroid::DoBrowserControlsShrinkBlinkSize() const {
@@ -809,11 +808,6 @@ void RenderWidgetHostViewAndroid::SetNeedsBeginFrames(bool needs_begin_frames) {
     ClearBeginFrameRequest(PERSISTENT_BEGIN_FRAME);
 }
 
-void RenderWidgetHostViewAndroid::OnPhysicalBackingSizeChanged(int width,
-                                                               int height) {
-  WasResized();
-}
-
 void RenderWidgetHostViewAndroid::OnStartContentIntent(
     const GURL& content_url, bool is_main_frame) {
   if (content_view_core_)