Eliminate duplication of MethodDecl nonterminal by renaming the one associated with interface types.
Eliminate duplication of MethodDecl nonterminal by renaming
the one associated with interface types.

R=gri
DELTA=3  (0 added, 0 deleted, 3 changed)
OCL=15092
CL=15096

h8liu/golang,bdwalton/debian-golang,firebitsbr/golang-old,gnanderson/go,apparentlymart/golang,wesolows/golang-old,ssrl/go,ssrl/go,tv42/old-go,gnanderson/go,tianon/debian-golang,apparentlymart/golang,pombredanne/go-deleteme,h8liu/golang,ssrl/go,tv42/old-go,pombredanne/go-deleteme,tianon/debian-golang,apparentlymart/golang,wesolows/golang,wesolows/golang-old,pombredanne/go-deleteme,bdwalton/debian-golang,ssrl/go,gnanderson/go,dsriram/golang,dsriram/golang,nightlyone/golang,h8liu/golang,wesolows/golang,tianon/debian-golang,ssrl/go,tv42/old-go,bdwalton/debian-golang,dsriram/golang,bdwalton/debian-golang,tv42/old-go,apparentlymart/golang,nightlyone/golang,tv42/old-go,wesolows/golang,nightlyone/golang,wesolows/golang-old,pombredanne/go-deleteme,apparentlymart/golang,firebitsbr/golang-old,wesolows/golang,bdwalton/debian-golang,tianon/debian-golang,wesolows/golang-old,tianon/debian-golang,nightlyone/golang,ssrl/go,gnanderson/go,firebitsbr/golang-old,gnanderson/go,dsriram/golang,h8liu/golang,bdwalton/debian-golang,gnanderson/go,dsriram/golang,h8liu/golang,apparentlymart/golang,nightlyone/golang,nightlyone/golang,tianon/debian-golang,gnanderson/go,firebitsbr/golang-old,bdwalton/debian-golang,firebitsbr/golang-old,h8liu/golang,wesolows/golang,tianon/debian-golang,wesolows/golang-old,ssrl/go,pombredanne/go-deleteme,h8liu/golang,pombredanne/go-deleteme,firebitsbr/golang-old,wesolows/golang-old,apparentlymart/golang,tv42/old-go,firebitsbr/golang-old,firebitsbr/golang-old,pombredanne/go-deleteme,tv42/old-go,wesolows/golang-old,tianon/debian-golang,dsriram/golang,nightlyone/golang,dsriram/golang,bdwalton/debian-golang,wesolows/golang,wesolows/golang