Refactor snapshots pieces to include a section for loading instructions into the heap of a regular …

runtime/bin/extensions_win.cc

Index: runtime/bin/extensions_win.cc
diff --git a/runtime/bin/extensions_win.cc b/runtime/bin/extensions_win.cc
index 17bb58f05d62cf7640235d3405350783a0606028..b07bf590130301506211d8c8264b7b9fe1696019 100644
--- a/runtime/bin/extensions_win.cc
+++ b/runtime/bin/extensions_win.cc
@@ -12,10 +12,11 @@
 namespace dart {
 namespace bin {
 
-const char* kPrecompiledVMIsolateSymbolName = "_kVmIsolateSnapshot";
-const char* kPrecompiledIsolateSymbolName = "_kIsolateSnapshot";
-const char* kPrecompiledInstructionsSymbolName = "_kInstructionsSnapshot";
-const char* kPrecompiledDataSymbolName = "_kDataSnapshot";
+const char* kVmSnapshotDataSymbolName = "_kDartVmSnapshotData";
+const char* kVmSnapshotInstructionsSymbolName = "_kDartVmSnapshotInstructions";
+const char* kIsolateSnapshotDataSymbolName = "_kDartIsolateSnapshotData";
+const char* kIsolateSnapshotInstructionsSymbolName =
+    "_kDartIsolateSnapshotInstructions";
 
 void* Extensions::LoadExtensionLibrary(const char* library_file) {
   SetLastError(0);