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

pkg/kernel/lib/binary/ast_from_binary.dart

 // Copyright (c) 2016, 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.
 library kernel.ast_from_binary;
 
 import 'dart:convert';
 import 'dart:typed_data';
 
 import '../ast.dart';
 import '../transformations/flags.dart';
@@ skipping 599 matching lines @@
 
   FunctionNode readFunctionNode() {
     int tag = readByte();
     assert(tag == Tag.FunctionNode);
     int offset = readOffset();
     int endOffset = readOffset();
     AsyncMarker asyncMarker = AsyncMarker.values[readByte()];
     AsyncMarker dartAsyncMarker = AsyncMarker.values[readByte()];
     int typeParameterStackHeight = typeParameterStack.length;
     var typeParameters = readAndPushTypeParameterList();
-    readUInt(); // total parameter count.
     var requiredParameterCount = readUInt();
     int variableStackHeight = variableStack.length;
     var positional = readAndPushVariableDeclarationList();
     var named = readAndPushVariableDeclarationList();
     var returnType = readDartType();
     int oldLabelStackBase = labelStackBase;
     labelStackBase = labelStack.length;
     var body = readStatementOption();
     labelStackBase = oldLabelStackBase;
     variableStack.length = variableStackHeight;
@@ skipping 566 matching lines @@
       ..fileOffset = offset
       ..fileEqualsOffset = fileEqualsOffset;
   }
 
   int readOffset() {
     // Offset is saved as unsigned,
     // but actually ranges from -1 and up (thus the -1)
     return readUInt() - 1;
   }
 }