base: Remove the string logging from CHECK().

chrome/browser/process_singleton_posix.cc

Index: chrome/browser/process_singleton_posix.cc
diff --git a/chrome/browser/process_singleton_posix.cc b/chrome/browser/process_singleton_posix.cc
index 17c9b88606ee89b9570bb517942a9339e1a3f016..d5e16163cad0c3e7cf3bcfd29183e902f22f32cf 100644
--- a/chrome/browser/process_singleton_posix.cc
+++ b/chrome/browser/process_singleton_posix.cc
@@ -220,15 +220,16 @@ ssize_t ReadFromSocket(int fd,
 // Set up a sockaddr appropriate for messaging.
 void SetupSockAddr(const std::string& path, struct sockaddr_un* addr) {
   addr->sun_family = AF_UNIX;
-  CHECK(path.length() < arraysize(addr->sun_path))
-      << "Socket path too long: " << path;
+  // Socket path too long.
+  CHECK(path.length() < arraysize(addr->sun_path));
   base::strlcpy(addr->sun_path, path.c_str(), arraysize(addr->sun_path));
 }
 
 // Set up a socket appropriate for messaging.
 int SetupSocketOnly() {
   int sock = socket(PF_UNIX, SOCK_STREAM, 0);
-  PCHECK(sock >= 0) << "socket() failed";
+  // socket() failed
+  CHECK(sock >= 0);
 
   DCHECK(base::SetNonBlocking(sock)) << "Failed to make non-blocking socket.";
   int rv = SetCloseOnExec(sock);
@@ -976,11 +977,10 @@ bool ProcessSingleton::Create() {
     return false;
   }
 
-  // Check that the directory was created with the correct permissions.
+  // Check that the directory was created with the correct permissions (0700).
   int dir_mode = 0;
   CHECK(base::GetPosixFilePermissions(socket_dir_.GetPath(), &dir_mode) &&
-        dir_mode == base::FILE_PERMISSION_USER_MASK)
-      << "Temp directory mode is not 700: " << std::oct << dir_mode;
+        dir_mode == base::FILE_PERMISSION_USER_MASK);
 
   // Setup the socket symlink and the two cookies.
   base::FilePath socket_target_path =