Add TODO to deprecate ComputedStyle::operator==.

third_party/WebKit/Source/core/style/ComputedStyle.h

Index: third_party/WebKit/Source/core/style/ComputedStyle.h
diff --git a/third_party/WebKit/Source/core/style/ComputedStyle.h b/third_party/WebKit/Source/core/style/ComputedStyle.h
index 9be19a2c499f6173d504744d09f957971b41c7c8..82f339feac29d0e1e4bf6ee468cc1dfa7e9c645d 100644
--- a/third_party/WebKit/Source/core/style/ComputedStyle.h
+++ b/third_party/WebKit/Source/core/style/ComputedStyle.h
@@ -2338,6 +2338,8 @@ class CORE_EXPORT ComputedStyle : public ComputedStyleBase,
   }
 
   // Comparison operators
+  // TODO(shend): Replace callers of operator== wth a named method instead, e.g.
+  // inheritedEquals().
   bool operator==(const ComputedStyle& other) const;
   bool operator!=(const ComputedStyle& other) const {
     return !(*this == other);