Remove dependency on //content from history DownloadDatabase

components/history.gypi

 # 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.
 
 {
   'targets': [
     {
       # GN version: //components/history/core/browser
       'target_name': 'history_core_browser',
       'type': 'static_library',
       'include_dirs': [
         '..',
       ],
       'dependencies': [
         '../base/base.gyp:base',
         '../net/net.gyp:net',
         '../sql/sql.gyp:sql',
         '../third_party/sqlite/sqlite.gyp:sqlite',
         '../ui/base/ui_base.gyp:ui_base',
         '../ui/gfx/gfx.gyp:gfx',
         '../url/url.gyp:url_lib',
         'favicon_base',
         'history_core_browser_proto',
         'keyed_service_core',
         'query_parser',
       ],
       'sources': [
         # Note: sources list duplicated in GN build.
+        'history/core/browser/download_constants.cc',
+        'history/core/browser/download_constants.h',
+        'history/core/browser/download_database.cc',
+        'history/core/browser/download_database.h',
+        'history/core/browser/download_row.cc',
+        'history/core/browser/download_row.h',
+        'history/core/browser/download_types.h',
         'history/core/browser/history_backend_notifier.h',
         'history/core/browser/history_backend_observer.h',
         'history/core/browser/history_client.cc',
         'history/core/browser/history_client.h',
         'history/core/browser/history_constants.cc',
         'history/core/browser/history_constants.h',
         'history/core/browser/history_db_task.h',
         'history/core/browser/history_match.cc',
         'history/core/browser/history_match.h',
         'history/core/browser/history_service_observer.h',
@@ skipping 73 matching lines @@
         '../url/url.gyp:url_lib',
       ],
       'sources': [
         # Note: sources list duplicated in GN build.
         'history/core/test/history_client_fake_bookmarks.cc',
         'history/core/test/history_client_fake_bookmarks.h',
       ],
     },
   ],
   'conditions': [
+    ['OS!="ios"', {
+      'targets': [
+        {
+          # GN version: //components/history/content/browser
+          'target_name': 'history_content_browser',
+          'type': 'static_library',
+          'include_dirs': [
+            '..',
+          ],
+          'dependencies': [
+            '../base/base.gyp:base',
+            '../content/content.gyp:content_browser',
+            'history_core_browser',
+          ],
+          'sources': [
+            'history/content/browser/download_constants_utils.cc',
+            'history/content/browser/download_constants_utils.h',
+          ],
+        }
+      ],
+    }],
     ['OS=="android"', {
       'targets': [
         {
           # GN version: //components/history/code/android
           'target_name': 'history_core_android',
           'type': 'static_library',
           'include_dirs': [
             '..',
           ],
           'dependencies': [
             '../base/base.gyp:base',
             '../sql/sql.gyp:sql',
             'history_core_browser',
           ],
           'sources': [
             'history/core/android/android_history_types.cc',
             'history/core/android/android_history_types.h',
           ],
         },
       ],
     }],
   ],
 }