Avoid duplicating the target name "svg".

third_party/WebKit/Source/core/layout/svg/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")
 
-blink_core_sources("svg") {
+blink_core_sources("svg_layout") {
   sources = [
     "LayoutSVGBlock.cpp",
     "LayoutSVGBlock.h",
     "LayoutSVGContainer.cpp",
     "LayoutSVGContainer.h",
     "LayoutSVGEllipse.cpp",
     "LayoutSVGEllipse.h",
     "LayoutSVGForeignObject.cpp",
     "LayoutSVGForeignObject.h",
     "LayoutSVGGradientStop.cpp",
@@ skipping 75 matching lines @@
     "SVGTextMetrics.h",
     "SVGTextQuery.cpp",
     "SVGTextQuery.h",
   ]
 
   configs += [
     # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
     "//build/config/compiler:no_size_t_to_int_warning",
   ]
 }