Rename the VM internal 'var' type to 'Dynamic' type.

runtime/vm/scopes_test.cc

Index: runtime/vm/scopes_test.cc
===================================================================
--- runtime/vm/scopes_test.cc	(revision 778)
+++ runtime/vm/scopes_test.cc	(working copy)
@@ -14,14 +14,14 @@
 
 TEST_CASE(LocalScope) {
   // Allocate a couple of local variables first.
-  const Type& var_type = Type::ZoneHandle(Type::VarType());
+  const Type& dynamic_type = Type::ZoneHandle(Type::DynamicType());
   const String& a = String::ZoneHandle(String::New("a"));
-  LocalVariable* var_a = new LocalVariable(kPos, a, var_type);
-  LocalVariable* inner_var_a = new LocalVariable(kPos, a, var_type);
+  LocalVariable* var_a = new LocalVariable(kPos, a, dynamic_type);
+  LocalVariable* inner_var_a = new LocalVariable(kPos, a, dynamic_type);
   const String& b = String::ZoneHandle(String::New("b"));
-  LocalVariable* var_b = new LocalVariable(kPos, b, var_type);
+  LocalVariable* var_b = new LocalVariable(kPos, b, dynamic_type);
   const String& c = String::ZoneHandle(String::New("c"));
-  LocalVariable* var_c = new LocalVariable(kPos, c, var_type);
+  LocalVariable* var_c = new LocalVariable(kPos, c, dynamic_type);
   const String& L = String::ZoneHandle(String::New("L"));
   SourceLabel* label_L = new SourceLabel(kPos, L, SourceLabel::kFor);