Change deprecated semantics of function template signatures.

Change deprecated semantics of function template signatures.

This changes how FunctionTemplate interprets a Signature that specifies
compatible receivers and arguments. Only the hidden prototype chain will
be considered when searching for compatible receivers. This prevents
JavaScript from modifying the inheritance relationship set up by the
embedder.

R=rossberg@chromium.org
BUG=v8:2268
TEST=cctest/test-api

Committed: http://code.google.com/p/v8/source/detail?r=13131

[rossberg, 2012-12-03 13:43:19]

https://codereview.chromium.org/11308197/diff/1/src/builtins.cc
File src/builtins.cc (right):

https://codereview.chromium.org/11308197/diff/1/src/builtins.cc#newcode1272
src/builtins.cc:1272: for (; object != heap->null_value(); object =
object->GetPrototype()) {
The work in the header seems to be almost entirely duplicating what you already
do in the body.

[Michael Starzinger, 2012-12-04 12:09:33]

Addressed comments. PTAL.

https://codereview.chromium.org/11308197/diff/1/src/builtins.cc
File src/builtins.cc (right):

https://codereview.chromium.org/11308197/diff/1/src/builtins.cc#newcode1272
src/builtins.cc:1272: for (; object != heap->null_value(); object =
object->GetPrototype()) {
On 2012/12/03 13:43:19, rossberg wrote:
> The work in the header seems to be almost entirely duplicating what you
already
> do in the body.

Done. Changed this to be recursive.

[rossberg, 2012-12-04 12:51:56]

lgtm