Eliminate dependencies on assemblers and code stubs in precompiled runtime.

runtime/vm/stub_code.h

Index: runtime/vm/stub_code.h
diff --git a/runtime/vm/stub_code.h b/runtime/vm/stub_code.h
index 533944d62d4bfe3602d12a26e55a3cd59c85f5d3..3a32885d1ec59e51674989b87ec0b041b4a7c058 100644
--- a/runtime/vm/stub_code.h
+++ b/runtime/vm/stub_code.h
@@ -170,11 +170,6 @@ class StubCode : public AllStatic {
 
   static const intptr_t kStubCodeSize = 4 * KB;
 
-#define STUB_CODE_GENERATE(name)                                               \
-  static void Generate##name##Stub(Assembler* assembler);
-  VM_STUB_CODE_LIST(STUB_CODE_GENERATE)
-#undef STUB_CODE_GENERATE
-
   enum {
 #define STUB_CODE_ENTRY(name) k##name##Index,
     VM_STUB_CODE_LIST(STUB_CODE_ENTRY)
@@ -184,6 +179,12 @@ class StubCode : public AllStatic {
 
   static StubEntry* entries_[kNumStubEntries];
 
+#if !defined(DART_PRECOMPILED_RUNTIME)
+#define STUB_CODE_GENERATE(name)                                               \
+  static void Generate##name##Stub(Assembler* assembler);
+  VM_STUB_CODE_LIST(STUB_CODE_GENERATE)
+#undef STUB_CODE_GENERATE
+
   // Generate the stub and finalize the generated code into the stub
   // code executable area.
   static RawCode* Generate(const char* name,
@@ -201,6 +202,7 @@ class StubCode : public AllStatic {
   static void GenerateUsageCounterIncrement(Assembler* assembler,
                                             Register temp_reg);
   static void GenerateOptimizedUsageCounterIncrement(Assembler* assembler);
+#endif  // !defined(DART_PRECOMPILED_RUNTIME)
 };