Implement the inert attribute

third_party/WebKit/Source/core/html/HTMLElement.cpp

Index: third_party/WebKit/Source/core/html/HTMLElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLElement.cpp b/third_party/WebKit/Source/core/html/HTMLElement.cpp
index 97f7595717213225f3016ec684e83d20fafde47f..7b4a5c4834535025773026bc4a3a983041e7a1ec 100644
--- a/third_party/WebKit/Source/core/html/HTMLElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLElement.cpp
@@ -620,6 +620,19 @@ String HTMLElement::title() const
     return fastGetAttribute(titleAttr);
 }
 
+bool HTMLElement::inert() const

[esprehn, 2016/06/27 22:27:15]

This can just use Reflect in the idl I think, you don't need to manually write
it.

[Reflect,RuntimeEnabled=inertAttribute] attribute boolean inert;

[aboxhall, 2016/06/29 00:13:12]

Done.

+{
+    return fastHasAttribute(inertAttr);
+}
+
+void HTMLElement::setInert(const bool enabled, ExceptionState& exceptionState)

[esprehn, 2016/06/27 22:27:15]

ditto

[aboxhall, 2016/06/29 00:13:12]

Done.

+{
+    if (enabled)
+        setAttribute(inertAttr, "");
+    else
+        removeAttribute(inertAttr);
+}
+
 short HTMLElement::tabIndex() const
 {
     if (supportsFocus())