Add some src/webkit build files to the GN build.

webkit/common/BUILD.gn

Index: webkit/common/BUILD.gn
diff --git a/webkit/common/BUILD.gn b/webkit/common/BUILD.gn
new file mode 100644
index 0000000000000000000000000000000000000000..2dfd470ba90823e40ca288c322f008b1bcfc2506
--- /dev/null
+++ b/webkit/common/BUILD.gn
@@ -0,0 +1,83 @@
+# 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.
+
+component("common") {
+  output_name = "webkit_common"
+
+  sources = [
+    "data_element.cc",
+    "data_element.h",
+    "resource_devtools_info.cc",
+    "resource_devtools_info.h",
+    "resource_type.cc",
+    "resource_type.h",
+    "webkit_common_export.h",
+    "webpreferences.cc",
+    "webpreferences.h",
+  ]
+
+  defines = [ "WEBKIT_COMMON_IMPLEMENTATION" ]
+
+  deps = [
+    "//base",
+    "//base:i18n",
+    "//base/third_party/dynamic_annotations",
+    "//net",
+    "//skia",
+    "//third_party/icu",
+    "//third_party/WebKit/public:blink_headers",
+    "//ui/base:ui_base",
+    "//ui/gfx",
+    "//ui/gfx/geometry",
+    "//ui/resources",
+    "//url",
+    "//webkit:resources",
+  ]
+  forward_dependent_configs_from = [
+    "//third_party/WebKit/public:blink_headers",
+  ]
+}
+
+component("storage") {
+  output_name = "webkit_storage_common"
+  sources = [
+    "webkit_storage_common_export.h",
+    "appcache/appcache_interfaces.cc",
+    "appcache/appcache_interfaces.h",
+    "blob/blob_data.cc",
+    "blob/blob_data.h",
+    "blob/scoped_file.cc",
+    "blob/scoped_file.h",
+    "blob/shareable_file_reference.cc",
+    "blob/shareable_file_reference.h",
+    "database/database_connections.cc",
+    "database/database_connections.h",
+    "database/database_identifier.cc",
+    "database/database_identifier.h",
+    "fileapi/directory_entry.cc",
+    "fileapi/directory_entry.h",
+    "fileapi/file_system_info.cc",
+    "fileapi/file_system_info.h",
+    "fileapi/file_system_mount_option.h",
+    "fileapi/file_system_types.h",
+    "fileapi/file_system_util.cc",
+    "fileapi/file_system_util.h",
+    "quota/quota_status_code.cc",
+    "quota/quota_status_code.h",
+    "quota/quota_types.h",
+  ]
+
+  defines = [ "WEBKIT_STORAGE_COMMON_IMPLEMENTATION" ]
+  if (is_win) {
+    cflags = [ "/wd4267" ]  # TODO(jschuh): fix size_t to int truncations.
+  }
+
+  deps = [
+    ":common",
+    "//base",
+    "//base/third_party/dynamic_annotations",
+    "//net",
+    "//url",
+  ]
+}