Revert of Move compositor InputHandler from RenderViewImpl to RenderWidget.

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index 8c825053c48a4f123b9cf8d84ee97aa255eaa513..f1c65cdab79b47aa9895ee6dd55066a48eb4e4a3 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -29,7 +29,6 @@
 #include "build/build_config.h"
 #include "cc/animation/animation_host.h"
 #include "cc/animation/animation_timeline.h"
-#include "cc/base/region.h"
 #include "cc/base/switches.h"
 #include "cc/blink/web_layer_impl.h"
 #include "cc/debug/layer_tree_debug_state.h"
@@ -208,7 +207,6 @@
       compositor_deps_(compositor_deps),
       threaded_(!!compositor_deps_->GetCompositorImplThreadTaskRunner()),
       never_visible_(false),
-      is_for_oopif_(false),
       layout_and_paint_async_callback_(nullptr),
       weak_factory_(this) {}
 
@@ -819,37 +817,6 @@
       static_cast<cc::EventListenerProperties>(properties));
 }
 
-void RenderWidgetCompositor::updateTouchRectsForSubframeIfNecessary() {
-  if (!is_for_oopif_)
-    return;
-
-  // If this is an oopif sub-frame compositor, we won't be getting TouchRects
-  // from ScrollingCoordinator, so to make sure touch events are handled
-  // properly, mark the entire root layer as a TouchRect.
-  // TODO(wjmaclean): remove this when ScrollingCoordinator is made per-frame,
-  // as opposed to per-page.
-  using blink::WebEventListenerProperties;
-  using blink::WebEventListenerClass;
-
-  blink::WebEventListenerProperties touch_start_properties =
-      eventListenerProperties(WebEventListenerClass::TouchStartOrMove);
-  blink::WebEventListenerProperties touch_end_cancel_properties =
-      eventListenerProperties(WebEventListenerClass::TouchEndOrCancel);
-  bool has_touch_handlers =
-      touch_start_properties == WebEventListenerProperties::Blocking ||
-      touch_start_properties ==
-          WebEventListenerProperties::BlockingAndPassive ||
-      touch_end_cancel_properties == WebEventListenerProperties::Blocking ||
-      touch_end_cancel_properties ==
-          WebEventListenerProperties::BlockingAndPassive;
-
-  cc::Layer* root_layer = layer_tree_host_->GetLayerTree()->root_layer();
-  cc::Region touch_handler_region;
-  if (has_touch_handlers)
-    touch_handler_region = gfx::Rect(gfx::Point(), root_layer->bounds());
-  root_layer->SetTouchEventHandlerRegion(touch_handler_region);
-}
-
 blink::WebEventListenerProperties
 RenderWidgetCompositor::eventListenerProperties(
     blink::WebEventListenerClass event_class) const {
@@ -1121,8 +1088,4 @@
   layer_tree_host_->GetLayerTree()->SetDeviceColorSpace(color_space);
 }
 
-void RenderWidgetCompositor::SetIsForOopif(bool is_for_oopif) {
-  is_for_oopif_ = is_for_oopif;
-}
-
 }  // namespace content