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Fix libcxx build.

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In libcxx, vector<bool>::const_reference is not the same as bool. This requires
a new specialization of ParamTraits.

BUG=178409

R=tsepez@chromium.org,agl@chromium.org


Review URL: https://chromiumcodereview.appspot.com/12943006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@189383 0039d316-1c4b-4281-b951-d872f2087c98
This commit is contained in:
eugenis@chromium.org
2013-03-20 20:25:00 +00:00
parent a211f7dc26
commit d4124854e6
1 changed files with 5 additions and 2 deletions

7
ipc/ipc_message_utils.cc

@ -404,8 +404,11 @@ void ParamTraits<std::vector<unsigned char> >::Log(const param_type& p,
void ParamTraits<std::vector<bool> >::Write(Message* m, const param_type& p) {
WriteParam(m, static_cast<int>(p.size()));
// Cast to bool below is required because libc++'s
// vector<bool>::const_reference is different from bool, and we want to avoid
// writing an extra specialization of ParamTraits for it.
for (size_t i = 0; i < p.size(); i++)
WriteParam(m, p[i]);
WriteParam(m, static_cast<bool>(p[i]));
}
bool ParamTraits<std::vector<bool> >::Read(const Message* m,
@ -429,7 +432,7 @@ void ParamTraits<std::vector<bool> >::Log(const param_type& p, std::string* l) {
for (size_t i = 0; i < p.size(); ++i) {
if (i != 0)
l->push_back(' ');
LogParam((p[i]), l);
LogParam(static_cast<bool>(p[i]), l);
}
}