Fix obsolete dependencies so that needless recompilation does not happen.

base/allocator/allocator.gyp

 # 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.
 
 {
   'variables': {
     'jemalloc_dir': '../../third_party/jemalloc/chromium',
     'tcmalloc_dir': '../../third_party/tcmalloc/chromium',
   },
   'targets': [
@@ skipping 63 matching lines @@
         '<(tcmalloc_dir)/src/base/low_level_alloc.h',
         '<(tcmalloc_dir)/src/base/simple_mutex.h',
         '<(tcmalloc_dir)/src/base/spinlock.cc',
         '<(tcmalloc_dir)/src/base/spinlock.h',
         '<(tcmalloc_dir)/src/base/spinlock_internal.cc',
         '<(tcmalloc_dir)/src/base/spinlock_internal.h',
         '<(tcmalloc_dir)/src/base/spinlock_linux-inl.h',
         '<(tcmalloc_dir)/src/base/spinlock_posix-inl.h',
         '<(tcmalloc_dir)/src/base/spinlock_win32-inl.h',
         '<(tcmalloc_dir)/src/base/stl_allocator.h',
-        '<(tcmalloc_dir)/src/base/src/synchronization_profiling.h',
+        '<(tcmalloc_dir)/src/base/synchronization_profiling.h',
         '<(tcmalloc_dir)/src/base/sysinfo.cc',
         '<(tcmalloc_dir)/src/base/sysinfo.h',
         '<(tcmalloc_dir)/src/base/thread_annotations.h',
         '<(tcmalloc_dir)/src/base/thread_lister.c',
         '<(tcmalloc_dir)/src/base/thread_lister.h',
         '<(tcmalloc_dir)/src/base/vdso_support.cc',
         '<(tcmalloc_dir)/src/base/vdso_support.h',
         '<(tcmalloc_dir)/src/central_freelist.cc',
         '<(tcmalloc_dir)/src/central_freelist.h',
         '<(tcmalloc_dir)/src/common.cc',
@@ skipping 335 matching lines @@
                 '$(VCInstallDir)lib',
                 '<(SHARED_INTERMEDIATE_DIR)/allocator',
               ],
             },
           ],
         },
       ],
     }],
   ],
 }