Print stack traces in child processes when browser tests failed.

content/common/sandbox_win.cc

Index: content/common/sandbox_win.cc
diff --git a/content/common/sandbox_win.cc b/content/common/sandbox_win.cc
index 7627865c3ed4f7a7daf6a7d3f71df6c252375bae..110edb8a6812438efa13d1d1549568dfdc6553b0 100644
--- a/content/common/sandbox_win.cc
+++ b/content/common/sandbox_win.cc
@@ -328,8 +328,8 @@ bool AddGenericPolicy(sandbox::TargetPolicy* policy) {
     return false;
 #endif  // NDEBUG
 
-  // Add the policy for read-only PDB file access for AddressSanitizer.
-#if defined(ADDRESS_SANITIZER)
+  // Add the policy for read-only PDB file access for stack traces.
+#if !defined(OFFICIAL_BUILD)
   base::FilePath exe;
   if (!PathService::Get(base::FILE_EXE, &exe))
     return false;
@@ -741,12 +741,12 @@ base::Process StartSandboxedProcess(
     return base::Process();
   }
 
-  if (browser_command_line.HasSwitch(switches::kEnableLogging)) {
-    // If stdout/stderr point to a Windows console, these calls will
-    // have no effect.
-    policy->SetStdoutHandle(GetStdHandle(STD_OUTPUT_HANDLE));
-    policy->SetStderrHandle(GetStdHandle(STD_ERROR_HANDLE));
-  }
+#if !defined(OFFICIAL_BUILD)
+  // If stdout/stderr point to a Windows console, these calls will
+  // have no effect.
+  policy->SetStdoutHandle(GetStdHandle(STD_OUTPUT_HANDLE));
+  policy->SetStderrHandle(GetStdHandle(STD_ERROR_HANDLE));
+#endif
 
   if (delegate) {
     bool success = true;