chromium: unbreak glibc.

For some reason musl-fixes.patch breaks with glibc and haven't had enough
time to investigate what's the broken chunk, so that for now just apply
musl-fixes and resolver patches just for musl.

Tested on glibc and musl still builds.

srcpkgs/chromium/patches/no-getcontext.patch

@@ -1,19 +1,27 @@
---- ./breakpad/src/client/linux/handler/exception_handler.cc.orig
-+++ ./breakpad/src/client/linux/handler/exception_handler.cc
-@@ -460,7 +460,6 @@
+--- breakpad/src/client/linux/handler/exception_handler.cc.orig	2015-12-06 09:59:55.554536646 +0100
++++ breakpad/src/client/linux/handler/exception_handler.cc	2015-12-06 10:01:16.818238035 +0100
+@@ -477,7 +477,9 @@ bool ExceptionHandler::SimulateSignalDel
    siginfo.si_code = SI_USER;
    siginfo.si_pid = getpid();
    struct ucontext context;
--  getcontext(&context);
++#if defined(__GLIBC__)
+   getcontext(&context);
++#endif
    return HandleSignal(sig, &siginfo, &context);
  }
  
-@@ -628,8 +627,6 @@
+@@ -647,9 +649,14 @@ bool ExceptionHandler::WriteMinidump() {
    sys_prctl(PR_SET_DUMPABLE, 1, 0, 0, 0);
  
    CrashContext context;
--  int getcontext_result = getcontext(&context.context);
--  if (getcontext_result)
++
++#if defined(__GLIBC__)
+   int getcontext_result = getcontext(&context.context);
+   if (getcontext_result)
      return false;
++#else
++  return false;
++#endif
  
  #if defined(__i386__)
+   // In CPUFillFromUContext in minidumpwriter.cc the stack pointer is retrieved

srcpkgs/chromium/template

@@ -2,7 +2,7 @@
 pkgname=chromium
 # See http://www.chromium.org/developers/calendar for the latest version
 version=47.0.2526.73
-revision=1
+revision=2
 short_desc="Google's attempt at creating a safer, faster, and more stable browser"
 maintainer="Juan RP <xtraeme@voidlinux.eu>"
 homepage="http://www.chromium.org/"
@@ -34,7 +34,16 @@ if [ -z "$CROSS_BUILD" -a "$XBPS_MACHINE" = "x86_64" ]; then
 	hostmakedepends+=" gcc-c++-multilib"
 fi
 
+post_extract() {
+	case "${XBPS_TARGET_MACHINE}" in
+	*-musl)
+		for f in ${FILESDIR}/musl-patches/*.patch; do
+			patch -Np0 -i $f
+		done
+		;;
+	esac
 
+}
 pre_configure() {
 	if [ "$XBPS_TARGET_MACHINE" = "x86_64" ]; then
 		# XXX xtraeme: fix gcc{,-c++}-multilib instead.
@@ -56,7 +65,6 @@ pre_configure() {
 	# https://code.google.com/p/chromium/issues/detail?id=541273
 	sed -i "/'target_name': 'libvpx'/s/libvpx/&_new/" build/linux/unbundle/libvpx.gyp
 }
-
 do_configure() {
 	local conf=""