Add "fetch" recipe for pdfium

recipes/pdfium.py

-# Copyright 2014 The Chromium Authors. All rights reserved.
+# Copyright 2015 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.
 
 import sys
 
 import recipe_util  # pylint: disable=F0401
 
 
 # This class doesn't need an __init__ method, so we disable the warning
 # pylint: disable=W0232
-class V8(recipe_util.Recipe):
-  """Basic Recipe class for V8."""
+class PDFium(recipe_util.Recipe):
+  """Basic Recipe class for PDFium."""
 
   @staticmethod
   def fetch_spec(props):
-    url = 'https://chromium.googlesource.com/v8/v8.git'
+    url = 'https://pdfium.googlesource.com/pdfium.git'
     solution = {
-        'name'        : 'v8',
+        'name'        : 'pdfium',
         'url'         : url,
         'deps_file'   : 'DEPS',
         'managed'     : False,
         'custom_deps' : {},
         'safesync_url': '',
     }
     spec = {
       'solutions': [solution],
-      'with_branch_heads': True,
     }
     return {
       'type': 'gclient_git',
       'gclient_git_spec': spec,
     }
 
   @staticmethod
   def expected_root(_props):
-    return 'v8'
+    return 'pdfium'
 
 
 def main(argv=None):
-  return V8().handle_args(argv)
+  return PDFium().handle_args(argv)
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))