Fix errors when building android with coverage=1

base/linux_util.cc

 // 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 "base/linux_util.h"
 
 #include <dirent.h>
 #include <errno.h>
 #include <fcntl.h>
 #include <stdlib.h>
@@ skipping 213 matching lines @@
     DIR* fd = opendir(buf);
     if (!fd)
       continue;
 
     while ((dent = readdir(fd))) {
       if (snprintf(buf, sizeof(buf), "/proc/%d/fd/%s", current_pid,
                    dent->d_name) >= static_cast<int>(sizeof(buf))) {
         continue;
       }
 
-      ino_t fd_inode;
+      ino_t fd_inode = static_cast<ino_t>(-1);
       if (ProcPathGetInode(&fd_inode, buf)) {
         if (fd_inode == socket_inode) {
           if (already_found) {
             closedir(fd);
             return false;
           }
 
           already_found = true;
           *pid_out = current_pid;
           break;
@@ skipping 50 matching lines @@
 
     if (0 == strncmp(expected_data.c_str(), syscall_data.get(),
                      expected_data.length())) {
       return current_tid;
     }
   }
   return -1;
 }
 
 }  // namespace base