Clear mutable inline style when it is empty.

Source/core/css/VariablesIterator.h

Index: Source/core/css/VariablesIterator.h
diff --git a/Source/core/css/VariablesIterator.h b/Source/core/css/VariablesIterator.h
index de945948ec6db008aef720c1f973d0ed90ad3eb8..8a5399481c9ac372540d4cc8e790806e36f634fc 100644
--- a/Source/core/css/VariablesIterator.h
+++ b/Source/core/css/VariablesIterator.h
@@ -27,6 +27,7 @@
 namespace WebCore {
 
 class MutableStylePropertySet;
+class StylePropertySet;
 
 class AbstractVariablesIterator : public CSSVariablesIterator {
 public:
@@ -35,6 +36,9 @@ public:
 protected:
     void takeRemainingNames(Vector<AtomicString>& remainingNames) { m_remainingNames.swap(remainingNames); }
 
+    static void initRemainingNames(
+        const StylePropertySet*, AbstractVariablesIterator*);

[eseidel, 2013/12/23 21:22:43]

We don't wrap to 80c in blink (yet).

[chrishtr, 2013/12/23 22:06:46]

Done.

+
 private:
     virtual void advance() OVERRIDE;
     virtual bool atEnd() const OVERRIDE { return m_remainingNames.isEmpty(); }