Use new is*Element() helper functions more in web/ code

public/platform/WebPrivatePtr.h

Index: public/platform/WebPrivatePtr.h
diff --git a/public/platform/WebPrivatePtr.h b/public/platform/WebPrivatePtr.h
index 5367e2b7f14166bb594e653cb5709abc395107f6..ab1f551e20fdba26282e05d3f106e762577bbcb2 100644
--- a/public/platform/WebPrivatePtr.h
+++ b/public/platform/WebPrivatePtr.h
@@ -233,6 +233,8 @@ public:
 
     T* get() const { return storage().get(); }
 
+    T& operator*() const { ASSERT(get()); return *get(); }

[tkent, 2014/03/16 23:45:51]

We don't write multiple statements in a single line.  Please follow the format
of operator-> below.

[Inactive, 2014/03/16 23:53:51]

Done.

+
     T* operator->() const
     {
         ASSERT(m_storage);