[MIPS] Support for MIPS PNaCl in PPAPI

ppapi/native_client/src/trusted/plugin/plugin.cc

Index: ppapi/native_client/src/trusted/plugin/plugin.cc
diff --git a/ppapi/native_client/src/trusted/plugin/plugin.cc b/ppapi/native_client/src/trusted/plugin/plugin.cc
index f7ee74b524a9b560e97ed523cc158065f968f332..c944a1a0c7d6257e6228b4ec71ca93d6069ee986 100644
--- a/ppapi/native_client/src/trusted/plugin/plugin.cc
+++ b/ppapi/native_client/src/trusted/plugin/plugin.cc
@@ -221,6 +221,7 @@ void Plugin::HistogramEnumerateOsArch(const std::string& sandbox_isa) {
     kNaClLinux32 = 0,
     kNaClLinux64,
     kNaClLinuxArm,
+    kNaClLinuxMips,
     kNaClMac32,
     kNaClMac64,
     kNaClMacArm,

[dmichael (off chromium), 2014/02/05 23:55:22]

I believe these enum values have to be stable, so I think Mips has to go at the
end, just before kNaClOSArchMax.

[petarj, 2014/02/06 00:38:48]

Done.

[jvoung (off chromium), 2014/02/06 00:39:56]

I think we need to update server to know of the new UMA value too

@@ -243,6 +244,8 @@ void Plugin::HistogramEnumerateOsArch(const std::string& sandbox_isa) {
     os_arch = static_cast<NaClOSArch>(os_arch + 1);
   if (sandbox_isa == "arm")
     os_arch = static_cast<NaClOSArch>(os_arch + 2);
+  if (sandbox_isa == "mips")
+    os_arch = static_cast<NaClOSArch>(os_arch + 3);

[dmichael (off chromium), 2014/02/05 23:55:22]

If mips only makes sense on linux, maybe you should just set it explicitly to
kNaClLinuxMips here.

[petarj, 2014/02/06 00:38:48]

Done.

 
   HistogramEnumerate("NaCl.Client.OSArch", os_arch, kNaClOSArchMax, -1);
 }