Fixed unnecessary Paste Popup showing issue when long press on ReadOnly/Disabled elements.

Source/core/rendering/HitTestResult.cpp

Index: Source/core/rendering/HitTestResult.cpp
diff --git a/Source/core/rendering/HitTestResult.cpp b/Source/core/rendering/HitTestResult.cpp
index 63f71c09e4fceeb2b6fd70a57a1efe9393783ba1..12e88f1a7df8bc9cdeef01ae480594383599a267 100644
--- a/Source/core/rendering/HitTestResult.cpp
+++ b/Source/core/rendering/HitTestResult.cpp
@@ -378,6 +378,15 @@ bool HitTestResult::isContentEditable() const
     if (!m_innerNonSharedNode)
         return false;
 
+    if (m_innerNonSharedNode->isElementNode()) {
+        Element* innerElement = toElement(m_innerNonSharedNode);
+        if (innerElement->isFormControlElement()) {

[yosin_UTC9, 2014/04/25 01:07:20]

It seems description and this change aren't matched, description says for
contenteditable, but change for form control.

Readonly and disabled text field should be checked within L390 and L393, which
check text area and text field.

+            HTMLFormControlElement* formControlElement = toHTMLFormControlElement(m_innerNonSharedNode);
+            if (formControlElement->isDisabledOrReadOnly())
+                return false;
+        }
+    }
+
     if (isHTMLTextAreaElement(*m_innerNonSharedNode))
         return true;