Fix for mouse capture and release on ClearButtonElement

Source/core/html/shadow/ClearButtonElement.cpp

Index: Source/core/html/shadow/ClearButtonElement.cpp
diff --git a/Source/core/html/shadow/ClearButtonElement.cpp b/Source/core/html/shadow/ClearButtonElement.cpp
index 71e922a54bc9145cd8b301d2c2ee86119b16c023..12ed753ace642b6ac2fce50c9dd8a9e1ba62a195 100644
--- a/Source/core/html/shadow/ClearButtonElement.cpp
+++ b/Source/core/html/shadow/ClearButtonElement.cpp
@@ -39,7 +39,6 @@ using namespace HTMLNames;
 inline ClearButtonElement::ClearButtonElement(Document& document, ClearButtonOwner& clearButtonOwner)
     : HTMLDivElement(document)
     , m_clearButtonOwner(&clearButtonOwner)
-    , m_capturing(false)
 {
 }
 
@@ -53,24 +52,9 @@ PassRefPtrWillBeRawPtr<ClearButtonElement> ClearButtonElement::create(Document&
 
 void ClearButtonElement::detach(const AttachContext& context)
 {
-    if (m_capturing) {
-        if (LocalFrame* frame = document().frame())
-            frame->eventHandler().setCapturingMouseEventsNode(nullptr);
-    }
     HTMLDivElement::detach(context);
 }
 
-void ClearButtonElement::releaseCapture()
-{
-    if (!m_capturing)
-        return;
-
-    if (LocalFrame* frame = document().frame()) {
-        frame->eventHandler().setCapturingMouseEventsNode(nullptr);
-        m_capturing = false;
-    }
-}
-
 void ClearButtonElement::defaultEventHandler(Event* event)
 {
     if (!m_clearButtonOwner) {
@@ -85,26 +69,11 @@ void ClearButtonElement::defaultEventHandler(Event* event)
         return;
     }
 
-    if (event->type() == EventTypeNames::mousedown && event->isMouseEvent() && toMouseEvent(event)->button() == LeftButton) {
+    if (event->type() == EventTypeNames::click) {
         if (renderer() && renderer()->visibleToHitTesting()) {
-            if (LocalFrame* frame = document().frame()) {
-                frame->eventHandler().setCapturingMouseEventsNode(this);
-                m_capturing = true;
-            }
-        }
-        m_clearButtonOwner->focusAndSelectClearButtonOwner();
-        event->setDefaultHandled();
-    }
-    if (event->type() == EventTypeNames::mouseup && event->isMouseEvent() && toMouseEvent(event)->button() == LeftButton) {
-        if (m_capturing) {
-            if (LocalFrame* frame = document().frame()) {
-                frame->eventHandler().setCapturingMouseEventsNode(nullptr);
-                m_capturing = false;
-            }
-            if (hovered()) {
-                m_clearButtonOwner->clearValue();
-                event->setDefaultHandled();
-            }
+            m_clearButtonOwner->focusAndSelectClearButtonOwner();
+            m_clearButtonOwner->clearValue();
+            event->setDefaultHandled();
         }
     }