Implement as much of VMDebug as we can reasonably do right now.

No hprof and no method tracing, but everything else.

Change-Id: Ifccd1f08e31f34b947c30f1211db788aae674d81
diff --git a/src/class_linker.h b/src/class_linker.h
index 18bd9d6..ca71b1f 100644
--- a/src/class_linker.h
+++ b/src/class_linker.h
@@ -42,6 +42,8 @@
     return FindClass(descriptor, NULL);
   }
 
+  void DumpAllClasses(int flags) const;
+
   size_t NumLoadedClasses() const;
 
   // Resolve a String with the given index from the DexFile, storing the