Removed unused capturing_ member and related code.

Change-Id: I36f9dc912bd90e8ea4c5726089b70d76dba0d6e9
Reviewed-on: https://chromium-review.googlesource.com/c/1311927
Commit-Queue: Rune Lillesveen <futhark@chromium.org>
Reviewed-by: Kent Tamura <tkent@chromium.org>
Cr-Commit-Position: refs/heads/master@{#604822}

third_party/blink/renderer/core/html/forms/text_control_inner_elements.cc

@@ -30,15 +30,10 @@
 #include "third_party/blink/renderer/core/css/style_change_reason.h"
 #include "third_party/blink/renderer/core/dom/document.h"
 #include "third_party/blink/renderer/core/dom/node_computed_style.h"
-#include "third_party/blink/renderer/core/dom/user_gesture_indicator.h"
 #include "third_party/blink/renderer/core/events/mouse_event.h"
-#include "third_party/blink/renderer/core/events/text_event.h"
-#include "third_party/blink/renderer/core/events/text_event_input_type.h"
-#include "third_party/blink/renderer/core/frame/local_frame.h"
 #include "third_party/blink/renderer/core/html/forms/html_input_element.h"
 #include "third_party/blink/renderer/core/html/shadow/shadow_element_names.h"
 #include "third_party/blink/renderer/core/html_names.h"
-#include "third_party/blink/renderer/core/input/event_handler.h"
 #include "third_party/blink/renderer/core/layout/layout_text_control_single_line.h"
 
 namespace blink {
@@ -217,7 +212,7 @@ TextControlInnerEditorElement::CreateInnerEditorStyle() const {
 
 inline SearchFieldCancelButtonElement::SearchFieldCancelButtonElement(
     Document& document)
-    : HTMLDivElement(document), capturing_(false) {}
+    : HTMLDivElement(document) {}
 
 SearchFieldCancelButtonElement* SearchFieldCancelButtonElement::Create(
     Document& document) {
@@ -228,15 +223,6 @@ SearchFieldCancelButtonElement* SearchFieldCancelButtonElement::Create(
   return element;
 }
 
-void SearchFieldCancelButtonElement::DetachLayoutTree(
-    const AttachContext& context) {
-  if (capturing_) {
-    if (LocalFrame* frame = GetDocument().GetFrame())
-      frame->GetEventHandler().SetCapturingMouseEventsNode(nullptr);
-  }
-  HTMLDivElement::DetachLayoutTree(context);
-}
-
 void SearchFieldCancelButtonElement::DefaultEventHandler(Event& event) {
   // If the element is visible, on mouseup, clear the value, and set selection
   HTMLInputElement* input(ToHTMLInputElement(OwnerShadowHost()));

third_party/blink/renderer/core/html/forms/text_control_inner_elements.h

@@ -79,10 +79,7 @@ class SearchFieldCancelButtonElement final : public HTMLDivElement {
 
  private:
   explicit SearchFieldCancelButtonElement(Document&);
-  void DetachLayoutTree(const AttachContext& = AttachContext()) override;
   bool SupportsFocus() const override { return false; }
-
-  bool capturing_;
 };
 
 }  // namespace blink