Splits components/sessions into separate core and content targets.

components/sessions/core/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/config/features.gni")
+import("//third_party/protobuf/proto_library.gni")
+import("//tools/grit/grit_rule.gni")
+
+if (is_android) {
+  import("//build/config/android/config.gni")
+}
+
+source_set("core") {
+  defines = [ "SESSIONS_IMPLEMENTATION" ]
+
+  sources = [
+    "serialized_navigation_driver.h",
+    "../serialized_navigation_entry.cc",
+    "../serialized_navigation_entry.h",
+    "../session_id.cc",
+    "../session_id.h",
+  ]
+
+  deps = [
+    "//base",
+    "//base/third_party/dynamic_annotations",
+    "//skia",
+    "//ui/base",
+    "//url",
+  ]
+
+  if (!is_android || !is_android_webview_build) {
+    deps += [ "//sync" ]
+  }
+}