Inline core HTML and SVG sources in the GN build.

third_party/WebKit/Source/core/style/BUILD.gn

 # Copyright 2016 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("//third_party/WebKit/Source/core/core.gni")
 
-target(core_link_small_target_type, "observer") {
+target(core_link_small_target_type, "svg") {
   visibility = [ "//third_party/WebKit/Source/core/*" ]
 
   sources = [
-    "ResizeObservation.cpp",
-    "ResizeObservation.h",
-    "ResizeObserver.cpp",
-    "ResizeObserver.h",
-    "ResizeObserverCallback.h",
-    "ResizeObserverController.cpp",
-    "ResizeObserverController.h",
-    "ResizeObserverEntry.cpp",
-    "ResizeObserverEntry.h",
+    "SVGComputedStyle.cpp",
+    "SVGComputedStyleDefs.cpp",
   ]
 
   configs -= core_config_remove
   configs += core_config_add
   configs += [
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
   ]
 
   deps = [
     "//third_party/WebKit/Source/core:prerequisites",
   ]
 }