More DCHECK() updates. A mixture of _EQ and _GE.

base/pickle.h

Index: base/pickle.h
diff --git a/base/pickle.h b/base/pickle.h
index ad08b7c0af0156131120bc0c875412705402d31d..305bef47648300c8addd207b6326d26aac717184 100644
--- a/base/pickle.h
+++ b/base/pickle.h
@@ -143,12 +143,12 @@ class Pickle {
   // to the Pickle constructor.
   template <class T>
   T* headerT() {
-    DCHECK(sizeof(T) == header_size_);
+    DCHECK_EQ(sizeof(T), header_size_);
     return static_cast<T*>(header_);
   }
   template <class T>
   const T* headerT() const {
-    DCHECK(sizeof(T) == header_size_);
+    DCHECK_EQ(sizeof(T), header_size_);
     return static_cast<const T*>(header_);
   }