Ignore the |readonly| attribute in <input type=range>

third_party/WebKit/Source/core/html/forms/RangeInputType.cpp

Index: third_party/WebKit/Source/core/html/forms/RangeInputType.cpp
diff --git a/third_party/WebKit/Source/core/html/forms/RangeInputType.cpp b/third_party/WebKit/Source/core/html/forms/RangeInputType.cpp
index e2a50b29a0844a05dcdb612d2427939b77ba5b3d..7d9016858096c90d26ba1bff7644678a89680f50 100644
--- a/third_party/WebKit/Source/core/html/forms/RangeInputType.cpp
+++ b/third_party/WebKit/Source/core/html/forms/RangeInputType.cpp
@@ -151,7 +151,7 @@ bool RangeInputType::isSteppable() const {
 }
 
 void RangeInputType::handleMouseDownEvent(MouseEvent* event) {
-  if (element().isDisabledOrReadOnly())
+  if (element().isDisabledFormControl())
     return;
 
   Node* targetNode = event->target()->toNode();
@@ -170,7 +170,7 @@ void RangeInputType::handleMouseDownEvent(MouseEvent* event) {
 }
 
 void RangeInputType::handleKeydownEvent(KeyboardEvent* event) {
-  if (element().isDisabledOrReadOnly())
+  if (element().isDisabledFormControl())
     return;
 
   const String& key = event->key();