Linux: move hardcoded paths to GYP variables.

sandbox/linux/suid/sandbox.cc

 // Copyright (c) 2009 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // http://code.google.com/p/chromium/wiki/LinuxSUIDSandbox
 
 #include <asm/unistd.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <sched.h>
 #include <signal.h>
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <sys/prctl.h>
 #include <sys/resource.h>
 #include <sys/socket.h>
 #include <sys/stat.h>
 #include <sys/time.h>
 #include <sys/types.h>
 #include <unistd.h>
 
 #if !defined(CLONE_NEWPID)
 #define CLONE_NEWPID 0x20000000
 #endif
 
-static const char kChromeBinary[] = "/opt/google/chrome/chrome";
+#if !defined(LINUX_SANDBOX_CHROME_PATH) && \
+    !defined(CHROME_DEVEL_SANDBOX)
+#error LINUX_SANDBOX_CHROME_PATH must be defined to be the location of the \
+       Chrome binary, or CHROME_DEVEL_SANDBOX must be defined
+#endif
+
+#if defined(LINUX_SANDBOX_CHROME_PATH)
+static const char kChromeBinary[] = LINUX_SANDBOX_CHROME_PATH;
+#endif
+
 static const char kSandboxDescriptorEnvironmentVarName[] = "SBX_D";
 
 // These are the magic byte values which the sandboxed process uses to request
 // that it be chrooted.
 static const char kMsgChrootMe = 'C';
 static const char kMsgChrootSuccessful = 'O';
 
 static void FatalError(const char *msg, ...)
     __attribute__((noreturn, format(printf,1,2)));
 
@@ skipping 258 matching lines @@
   if (!DropRoot())
     return 1;
   if (!SetupChildEnvironment())
     return 1;
 
   execv(argv[1], &argv[1]);
   FatalError("execv failed");
 
   return 1;
 }