VM: [Kernel] Split kernel API into 3 steps: ([read binary], parse-binary, bootstrap, load program)

runtime/vm/dart.h

Index: runtime/vm/dart.h
diff --git a/runtime/vm/dart.h b/runtime/vm/dart.h
index 3480fad3d635967f8999132686c96a6b696aa84f..9af4ed98cdf25a983c173b10f9eabfb78da9102b 100644
--- a/runtime/vm/dart.h
+++ b/runtime/vm/dart.h
@@ -18,6 +18,9 @@ class LocalHandle;
 class RawError;
 class ReadOnlyHandles;
 class ThreadPool;
+namespace kernel {
+class Program;
+}
 
 class Dart : public AllStatic {
  public:
@@ -44,7 +47,7 @@ class Dart : public AllStatic {
   // from_kernel.  Otherwise, initialize from sources.
   static RawError* InitializeIsolate(const uint8_t* snapshot_buffer,
                                      intptr_t snapshot_length,
-                                     bool from_kernel,
+                                     kernel::Program* kernel_program,
                                      void* data);
   static void RunShutdownCallback();
   static void ShutdownIsolate(Isolate* isolate);