Reapply "Media Galleries API Metadata: Image metadata"

chrome/chrome_dll_bundle.gypi

 # 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.
 
 # This file contains resources for the main Mac chromium bundle.
 {
   # The main browser executable's name is <(mac_product_name).
   # Certain things will get confused if two modules in the
   # executable share the same name, so append " Framework" to the
   # product_name used for the framework.  This will result in
@@ skipping 19 matching lines @@
     # directory.  DYLIB_INSTALL_NAME_BASE and
     # LD_DYLIB_INSTALL_NAME affect -install_name.
     'DYLIB_INSTALL_NAME_BASE':
         '@executable_path/../Versions/<(version_full)',
     # See /build/mac/copy_framework_unversioned.sh for
     # information on LD_DYLIB_INSTALL_NAME.
     'LD_DYLIB_INSTALL_NAME':
         '$(DYLIB_INSTALL_NAME_BASE:standardizepath)/$(WRAPPER_NAME)/$(PRODUCT_NAME)',
 
     'INFOPLIST_FILE': 'app/framework-Info.plist',
+    'LD_RUNPATH_SEARCH_PATHS': [
+      # To find dylibs such as libexif.
+      '@loader_path/Libraries/.',
+    ],
   },
   'includes': [
     'chrome_nibs.gypi',
   ],
   # TODO(mark): Come up with a fancier way to do this.  It should
   # only be necessary to list framework-Info.plist once, not the
   # three times it is listed here.
   'mac_bundle_resources': [
     # This image is used to badge the lock icon in the
     # authentication dialogs, such as those used for installation
@@ skipping 81 matching lines @@
       'action': [
         'ln',
         '-fns',
         'Versions/Current/Libraries',
         '${BUILT_PRODUCTS_DIR}/${WRAPPER_NAME}/Libraries'
       ],
     },
   ],
   'copies': [
     {
-      # Copy FFmpeg binaries for audio/video support.
       'destination': '<(PRODUCT_DIR)/$(CONTENTS_FOLDER_PATH)/Libraries',
       'files': [
-        '<(PRODUCT_DIR)/ffmpegsumo.so',
+        '<(PRODUCT_DIR)/ffmpegsumo.so', # Copy FFmpeg binaries for audio/video support.
+        '<(PRODUCT_DIR)/libexif.dylib',
       ],
     },
     {
       'destination': '<(PRODUCT_DIR)/$(CONTENTS_FOLDER_PATH)/Internet Plug-Ins',
       'files': [],
       'conditions': [
         ['internal_pdf', {
           'files': [
             '<(PRODUCT_DIR)/PDF.plugin',
           ],
@@ skipping 152 matching lines @@
         ],
       }],
     }],
     ['icu_use_data_file_flag==1', {
       'mac_bundle_resources': [
         '<(PRODUCT_DIR)/icudtl.dat',
       ],
     }],
   ],  # conditions
 }