Add/remove spell checking markers in text inputs depending on focus.

Source/core/html/TextFieldInputType.cpp

Index: Source/core/html/TextFieldInputType.cpp
diff --git a/Source/core/html/TextFieldInputType.cpp b/Source/core/html/TextFieldInputType.cpp
index 1cd61d6f22141388671d39ec4c24f4e1f61d1109..c8e15cb9b7906881bb23802c58ef0677dd38c32d 100644
--- a/Source/core/html/TextFieldInputType.cpp
+++ b/Source/core/html/TextFieldInputType.cpp
@@ -198,6 +198,12 @@ void TextFieldInputType::forwardEvent(Event* event)
     }
 }
 
+void TextFieldInputType::handleFocusEvent(Element* oldFocusedNode, FocusDirection focusDirection)
+{
+    InputType::handleFocusEvent(oldFocusedNode, focusDirection);
+    element()->beginEditing();
+}
+
 void TextFieldInputType::handleBlurEvent()
 {
     InputType::handleBlurEvent();