Revert of Add Widevine signature files into Mac build

chrome/BUILD.gn

 # Copyright 2014 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("//build/buildflag_header.gni")
 import("//build/config/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/compiler/pgo/pgo.gni")
 import("//build/config/features.gni")
 import("//build/config/locales.gni")
@@ skipping 631 matching lines @@
 
       # keystone_registration_framework copies the framework into the framework
       # bundle via a script that performs additional actions, rather than
       # relying on a bundle_data to copy it.
       ":keystone_registration_framework",
 
       # verify_chrome_framework_order depends on :chrome_framework and, for
       # non-component builds, will ensure the export symbol table is correct.
       ":verify_chrome_framework_order",
     ]
-
-    # Only official builds that include Widevine need the widevine
-    # signature file.
-    if (is_chrome_branded && enable_pepper_cdms) {
-      sources += [ "$root_out_dir/$chrome_framework_name.sig" ]
-      public_deps += [ ":sign_chrome_framework_for_widevine" ]
-    }
   }
 
   action("clean_up_old_versions") {
     script = "//chrome/tools/build/mac/clean_up_old_versions.py"
     outputs = [
       "$root_gen_dir/run_$target_name.stamp",
     ]
     args = [
              rebase_path("$root_out_dir/$chrome_product_full_name.app",
                          root_build_dir),
@@ skipping 193 matching lines @@
         "{{bundle_root_dir}}/Libraries/$widevine_cdm_path/{{source_file_part}}",
       ]
       public_deps = [
         # Need this intermediate dependency because "widevinecdm" is a
         # shared_library if !is_chrome_branded, and then depending on
         # "widevinecdm" directly would cause it to be linked into the Chromium
         # Framework, which we don't want.
         ":widevine_cdm_library_copy",
         "//third_party/widevine/cdm:widevinecdmadapter",
       ]
-
-      # Signatures are only generated for official chrome.
-      if (is_chrome_branded) {
-        sources += [
-          "$root_out_dir/$widevine_cdm_path/widevinecdmadapter.plugin.sig",
-          "$root_out_dir/libwidevinecdm.dylib.sig",
-        ]
-        public_deps += [ ":sign_cdm_adapter_for_widevine" ]
-      }
     }
 
     copy("widevine_cdm_library_copy") {
       sources = [
         "$root_out_dir/$widevine_cdm_path/libwidevinecdm.dylib",
       ]
-      if (is_chrome_branded) {
-        sources +=
-            [ "$root_out_dir/$widevine_cdm_path/libwidevinecdm.dylib.sig" ]
-      }
       outputs = [
         "$root_out_dir/{{source_file_part}}",
       ]
       deps = [
         "//third_party/widevine/cdm:widevinecdm",
       ]
     }
 
     bundle_data("widevine_cdm_library_manifest") {
       sources = [
         "$root_out_dir/WidevineCdm/manifest.json",
       ]
       outputs = [
         "{{bundle_root_dir}}/Libraries/WidevineCdm/{{source_file_part}}",
       ]
       public_deps = [
         "//third_party/widevine/cdm:widevine_cdm_manifest",
       ]
     }
-
-    widevine_sign_file("sign_cdm_adapter_for_widevine") {
-      file = "$root_out_dir/$widevine_cdm_path/widevinecdmadapter.plugin"
-      deps = [
-        "//third_party/widevine/cdm:widevinecdmadapter",
-      ]
-    }
-
-    widevine_sign_file("sign_chrome_framework_for_widevine") {
-      file = "$root_out_dir/$chrome_framework_name.framework/"
-      if (defined(chrome_framework_version)) {
-        file += "Versions/$chrome_framework_version/"
-      }
-      file += "$chrome_framework_name"
-      signature_file = "$root_out_dir/$chrome_framework_name.sig"
-      deps = [
-        ":chrome_framework",
-      ]
-    }
   }
 
   group("widevine_cdm_library") {
     if (_should_bundle_widevine) {
       deps = [
         ":widevine_cdm_library_binaries",
         ":widevine_cdm_library_manifest",
       ]
     }
   }
@@ skipping 716 matching lines @@
       "//chrome/app/theme/$branding_path_component/product_logo_48.png",
       "//chrome/tools/build/linux/chrome-wrapper",
       "//third_party/xdg-utils/scripts/xdg-mime",
       "//third_party/xdg-utils/scripts/xdg-settings",
     ]
     outputs = [
       "$root_out_dir/{{source_file_part}}",
     ]
   }
 }