Simplify representation of stack frames. Remove the special types DartFrame/StubFrame and instead u…

vm/assembler_x64.cc

Index: vm/assembler_x64.cc
===================================================================
--- vm/assembler_x64.cc	(revision 6912)
+++ vm/assembler_x64.cc	(working copy)
@@ -1366,16 +1366,11 @@
 }
 
 
-void Assembler::CallRuntimeFromDart(const RuntimeEntry& entry) {
-  entry.CallFromDart(this);
+void Assembler::CallRuntime(const RuntimeEntry& entry) {
+  entry.Call(this);
 }
 
 
-void Assembler::CallRuntimeFromStub(const RuntimeEntry& entry) {
-  entry.CallFromStub(this);
-}
-
-
 void Assembler::Align(int alignment, int offset) {
   ASSERT(Utils::IsPowerOfTwo(alignment));
   int pos = offset + buffer_.GetPosition();