Update //base to chromium 9659b08ea5a34f889dc4166217f438095ddc10d2

base/process/process_win.cc

Index: base/process/process_win.cc
diff --git a/base/process/process_win.cc b/base/process/process_win.cc
index 2ad72c706b0549b9dbc544b686eac2658f0ab571..30cd9dc737268e01c557c3def27bada318c20b93 100644
--- a/base/process/process_win.cc
+++ b/base/process/process_win.cc
@@ -9,6 +9,7 @@
 #include "base/metrics/field_trial.h"
 #include "base/numerics/safe_conversions.h"
 #include "base/process/kill.h"
+#include "base/strings/string_util.h"
 #include "base/win/windows_version.h"
 
 namespace {
@@ -189,8 +190,10 @@ bool Process::SetProcessBackgrounded(bool value) {
     DWORD background_priority = IDLE_PRIORITY_CLASS;
     base::FieldTrial* trial =
         base::FieldTrialList::Find("BackgroundRendererProcesses");
-    if (trial && trial->group_name() == "AllowBelowNormalFromBrowser")
+    if (trial && StartsWith(trial->group_name(), "AllowBelowNormalFromBrowser",
+                            CompareCase::SENSITIVE)) {
       background_priority = BELOW_NORMAL_PRIORITY_CLASS;
+    }
 
     priority = value ? background_priority : NORMAL_PRIORITY_CLASS;
   }