[kernel] Stream everything. Replace .kernel_function with .kernel_offset

runtime/vm/precompiler.cc

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/precompiler.h"
 
 #include "vm/aot_optimizer.h"
 #include "vm/assembler.h"
 #include "vm/ast_printer.h"
 #include "vm/branch_optimizer.h"
@@ skipping 1200 matching lines @@
 
 RawFunction* Precompiler::CompileStaticInitializer(const Field& field,
                                                    bool compute_type) {
   ASSERT(field.is_static());
   Thread* thread = Thread::Current();
   StackZone stack_zone(thread);
   Zone* zone = stack_zone.GetZone();
 
   ParsedFunction* parsed_function;
   // Check if this field is coming from the Kernel binary.
-  if (field.kernel_field() != NULL) {
+  if (field.kernel_offset() > 0) {
     parsed_function = kernel::ParseStaticFieldInitializer(zone, field);
   } else {
     parsed_function = Parser::ParseStaticFieldInitializer(field);
     parsed_function->AllocateVariables();
   }
 
 
   DartPrecompilationPipeline pipeline(zone);
   PrecompileParsedFunctionHelper helper(/* precompiler = */ NULL,
                                         parsed_function,
@@ skipping 2131 matching lines @@
 
   ASSERT(FLAG_precompiled_mode);
   const bool optimized = function.IsOptimizable();  // False for natives.
   DartPrecompilationPipeline pipeline(zone, field_type_map);
   return PrecompileFunctionHelper(precompiler, &pipeline, function, optimized);
 }
 
 #endif  // DART_PRECOMPILER
 
 }  // namespace dart