Merge pull request #1506 from jboeuf/call_creds

BUILD

Makefile

build.json

include/grpc/grpc_security.h

src/core/security/auth.c

src/core/security/security_context.c

src/core/security/security_context.h

src/core/surface/call.c

src/core/surface/call.h

test/core/end2end/end2end_tests.h

test/core/end2end/fixtures/chttp2_fake_security.c

test/core/end2end/fixtures/chttp2_simple_ssl_fullstack.c

...nd2end/fixtures/chttp2_simple_ssl_with_oauth2_fullstack.c

test/core/end2end/gen_build_json.py

...2end/tests/request_response_with_payload_and_call_creds.c

tools/run_tests/tests.json

vsprojects/Grpc.mak

vsprojects/grpc/grpc.vcxproj

vsprojects/grpc/grpc.vcxproj.filters