[PoC] Reformat all BUILD.gn and *.gni files with new gn.

cc/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("//testing/test.gni")
 
 component("cc") {
   sources = [
     "animation/animation.cc",
     "animation/animation.h",
@@ skipping 665 matching lines @@
   public_deps = [
     ":cc",
     "//gpu:test_support",
   ]
   deps = [
     "//base",
     "//base/test:test_support",
     "//base/third_party/dynamic_annotations",
     "//cc/surfaces",
     "//cc/surfaces:surface_id",
+    "//gpu/command_buffer/client:gl_in_process_context",
     "//gpu/command_buffer/client:gles2_c_lib",
     "//gpu/command_buffer/client:gles2_implementation",
-    "//gpu/command_buffer/client:gl_in_process_context",
     "//gpu/command_buffer/common:gles2_utils",
     "//gpu/skia_bindings",
     "//media",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/gfx",
+    "//ui/gfx:test_support",
     "//ui/gfx/geometry",
-    "//ui/gfx:test_support",
     "//ui/gl",
     "//ui/gl:test_support",
   ]
 
   if (!is_android) {  # TODO(GYP) Enable on Android when osmesa links.
     deps += [ "//third_party/mesa:osmesa" ]
   }
 }
 
 # TODO(GYP): Delete this after we've converted everything to GN.
@@ skipping 171 matching lines @@
     "//cc/surfaces:surface_id",
     "//gpu",
     "//gpu:test_support",
     "//gpu/command_buffer/client:gles2_interface",
     "//gpu/command_buffer/common:gles2_utils",
     "//media",
     "//testing/gmock",
     "//testing/gtest",
     "//ui/events:events_base",
     "//ui/gfx",
+    "//ui/gfx:test_support",
     "//ui/gfx/geometry",
-    "//ui/gfx:test_support",
     "//ui/gl",
     "//ui/gl:test_support",
   ]
 
   data_deps = [
     "//third_party/mesa:osmesa",
   ]
 }
 
 test("cc_perftests") {
@@ skipping 34 matching lines @@
     "//ui/gl",
     "//ui/gl:test_support",
   ]
 
   if (is_android) {
     isolate_file = "cc_perftests.isolate"
   }
 }
 # When adding support for isolates, please have a look at run-time dependencies
 # in the cc_unittests_run target in cc_tests.gyp.