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

pkg/kernel/binary.md

Index: pkg/kernel/binary.md
diff --git a/pkg/kernel/binary.md b/pkg/kernel/binary.md
index 9de95fbd680806950c7573641dd0ad6c6c263738..890f23715e6f7987cf53f2707aa428bc8f56fe4e 100644
--- a/pkg/kernel/binary.md
+++ b/pkg/kernel/binary.md
@@ -317,6 +317,7 @@ type FunctionNode {
   Byte dartAsyncMarker; // Index into AsyncMarker above.
   List<TypeParameter> typeParameters;
   UInt requiredParameterCount;
+  UInt totalParameterCount; // positionalParameters.length + namedParameters.length.

[Kevin Millikin (Google), 2017/06/12 12:01:51]

For some reason it seems more obvious to have the parameter count before the
required parameter count.  And I'd just call it 'parameterCount' which seems to
obviously include all the parameters.

[jensj, 2017/06/13 13:42:14]

Done.

   List<VariableDeclaration> positionalParameters;
   List<VariableDeclaration> namedParameters;
   DartType returnType;