mac: Remove code that was only needed on 10.5

content/common/sandbox_mac.mm

 // Copyright (c) 2012 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.
 
 #include "content/common/sandbox_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 extern "C" {
 #include <sandbox.h>
@@ skipping 392 matching lines @@
 }
 
 // static
 bool Sandbox::PostProcessSandboxProfile(
         NSString* sandbox_template,
         NSArray* comments_to_remove,
         SandboxVariableSubstitions& substitutions,
         std::string *final_sandbox_profile_str) {
   NSString* sandbox_data = [[sandbox_template copy] autorelease];
 
-  // Remove comments, e.g. ;10.6_ONLY .
+  // Remove comments, e.g. ;10.7_OR_ABOVE .
   for (NSString* to_remove in comments_to_remove) {
     sandbox_data = [sandbox_data stringByReplacingOccurrencesOfString:to_remove
                                                            withString:@""];
   }
 
   // Split string on "@" characters.
   std::vector<std::string> raw_sandbox_pieces;
   if (Tokenize([sandbox_data UTF8String], "@", &raw_sandbox_pieces) == 0) {
     DLOG(FATAL) << "Bad Sandbox profile, should contain at least one token ("
                 << [sandbox_data UTF8String]
@@ skipping 84 matching lines @@
 
   // Enable verbose logging if enabled on the command line. (See common.sb
   // for details).
   const CommandLine* command_line = CommandLine::ForCurrentProcess();
   bool enable_logging =
       command_line->HasSwitch(switches::kEnableSandboxLogging);;
   if (enable_logging) {
     [tokens_to_remove addObject:@";ENABLE_LOGGING"];
   }
 
-  bool snow_leopard_or_later = base::mac::IsOSSnowLeopardOrLater();
   bool lion_or_later = base::mac::IsOSLionOrLater();
 
   // Without this, the sandbox will print a message to the system log every
-  // time it denies a request.  This floods the console with useless spew. The
-  // (with no-log) syntax is only supported on 10.6+
-  if (snow_leopard_or_later && !enable_logging) {
+  // time it denies a request.  This floods the console with useless spew.
+  if (!enable_logging) {
     substitutions["DISABLE_SANDBOX_DENIAL_LOGGING"] =
         SandboxSubstring("(with no-log)");
   } else {
     substitutions["DISABLE_SANDBOX_DENIAL_LOGGING"] = SandboxSubstring("");
   }
 
   // Splice the path of the user's home directory into the sandbox profile
   // (see renderer.sb for details).
   std::string home_dir = [NSHomeDirectory() fileSystemRepresentation];
 
   FilePath home_dir_canonical = GetCanonicalSandboxPath(FilePath(home_dir));
 
   substitutions["USER_HOMEDIR_AS_LITERAL"] =
       SandboxSubstring(home_dir_canonical.value(),
           SandboxSubstring::LITERAL);
 
   if (lion_or_later) {
     // >=10.7 Sandbox rules.
     [tokens_to_remove addObject:@";10.7_OR_ABOVE"];
   }
 
-  if (snow_leopard_or_later) {
-    // >=10.6 Sandbox rules.
-    [tokens_to_remove addObject:@";10.6_OR_ABOVE"];
-  } else {
-    // Sandbox rules only for versions before 10.6.
-    [tokens_to_remove addObject:@";BEFORE_10.6"];
-  }
-
   substitutions["COMPONENT_BUILD_WORKAROUND"] = SandboxSubstring("");
 #if defined(COMPONENT_BUILD)
   // dlopen() fails without file-read-metadata access if the executable image
   // contains LC_RPATH load commands. The components build uses those.
   // See http://crbug.com/127465
   if (base::mac::IsOSSnowLeopardOrEarlier()) {
     FilePath bundle_executable = base::mac::NSStringToFilePath(
         [base::mac::MainBundle() executablePath]);
     NSString* sandbox_command = AllowMetadataForPath(
         GetCanonicalSandboxPath(bundle_executable));
@@ skipping 36 matching lines @@
   if (HANDLE_EINTR(fcntl(fd, F_GETPATH, canonical_path)) != 0) {
     DPLOG(FATAL) << "GetCanonicalSandboxPath() failed for: "
                  << path.value();
     return path;
   }
 
   return FilePath(canonical_path);
 }
 
 }  // namespace sandbox