[Oilpan] Prepare full definition of classes before using Member

third_party/WebKit/Source/platform/heap/Handle.h

Index: third_party/WebKit/Source/platform/heap/Handle.h
diff --git a/third_party/WebKit/Source/platform/heap/Handle.h b/third_party/WebKit/Source/platform/heap/Handle.h
index 64e43fd71243011277fb2052e26dfe146148b0dc..8915068ff185aa3204d2542af2c03a22b4de037c 100644
--- a/third_party/WebKit/Source/platform/heap/Handle.h
+++ b/third_party/WebKit/Source/platform/heap/Handle.h
@@ -771,7 +771,11 @@ public:
         checkPointer();
     }
 
-    T* get() const { return m_raw; }
+    T* get() const
+    {
+        static_assert(IsFullyDefined<T>::value, "T is not fully defined.");

[haraken, 2015/11/19 01:37:26]

Would you replace other static_assert(sizeof(T)) in the code base with
static_assert(IsFullyDefined<T>::value) in a follow-up CL?

[peria, 2015/11/19 03:57:51]

Acknowledged.

+        return m_raw;
+    }
 
     void clear() { m_raw = nullptr; }
 
@@ -779,6 +783,7 @@ public:
 protected:
     void checkPointer()
     {
+        static_assert(IsFullyDefined<T>::value, "T is not fully defined.");
 #if ENABLE(ASSERT) && defined(ADDRESS_SANITIZER)
         if (!m_raw)
             return;