Sort GYP and GN files under gpu

For tools/sort_sources.py to be useful, existing GYP and GN files
should be sorted.

BUG=456014
TEST=everything should build as before

Review URL: https://codereview.chromium.org/925263003

Cr-Commit-Position: refs/heads/master@{#316736}
diff --git a/gpu/BUILD.gn b/gpu/BUILD.gn
index 8c25b78f..f7bb98bd 100644
--- a/gpu/BUILD.gn
+++ b/gpu/BUILD.gn
@@ -49,10 +49,10 @@
 source_set("test_support") {
   testonly = true
   sources = [
-    "command_buffer/service/gles2_cmd_decoder_mock.cc",
-    "command_buffer/service/error_state_mock.cc",
     "command_buffer/client/gles2_interface_stub.cc",
     "command_buffer/client/gles2_interface_stub.h",
+    "command_buffer/service/error_state_mock.cc",
+    "command_buffer/service/gles2_cmd_decoder_mock.cc",
   ]
 
   public_deps = [
@@ -158,10 +158,10 @@
       "command_buffer/common/id_allocator_test.cc",
       "command_buffer/common/trace_event.h",
       "command_buffer/common/unittest_main.cc",
-      "command_buffer/service/async_pixel_transfer_delegate_mock.h",
       "command_buffer/service/async_pixel_transfer_delegate_mock.cc",
-      "command_buffer/service/async_pixel_transfer_manager_mock.h",
+      "command_buffer/service/async_pixel_transfer_delegate_mock.h",
       "command_buffer/service/async_pixel_transfer_manager_mock.cc",
+      "command_buffer/service/async_pixel_transfer_manager_mock.h",
       "command_buffer/service/buffer_manager_unittest.cc",
       "command_buffer/service/cmd_parser_test.cc",
       "command_buffer/service/command_buffer_service_unittest.cc",
@@ -169,6 +169,8 @@
       "command_buffer/service/context_group_unittest.cc",
       "command_buffer/service/feature_info_unittest.cc",
       "command_buffer/service/framebuffer_manager_unittest.cc",
+      "command_buffer/service/gl_surface_mock.cc",
+      "command_buffer/service/gl_surface_mock.h",
       "command_buffer/service/gles2_cmd_decoder_unittest.cc",
       "command_buffer/service/gles2_cmd_decoder_unittest.h",
       "command_buffer/service/gles2_cmd_decoder_unittest_0_autogen.h",
@@ -179,6 +181,7 @@
       "command_buffer/service/gles2_cmd_decoder_unittest_3.cc",
       "command_buffer/service/gles2_cmd_decoder_unittest_3_autogen.h",
       "command_buffer/service/gles2_cmd_decoder_unittest_async_pixel.cc",
+      "command_buffer/service/gles2_cmd_decoder_unittest_attribs.cc",
       "command_buffer/service/gles2_cmd_decoder_unittest_base.cc",
       "command_buffer/service/gles2_cmd_decoder_unittest_base.h",
       "command_buffer/service/gles2_cmd_decoder_unittest_context_state.cc",
@@ -187,33 +190,30 @@
       "command_buffer/service/gles2_cmd_decoder_unittest_framebuffers.cc",
       "command_buffer/service/gles2_cmd_decoder_unittest_programs.cc",
       "command_buffer/service/gles2_cmd_decoder_unittest_textures.cc",
-      "command_buffer/service/gles2_cmd_decoder_unittest_attribs.cc",
       "command_buffer/service/gles2_cmd_decoder_unittest_valuebuffer.cc",
-      "command_buffer/service/gl_surface_mock.cc",
-      "command_buffer/service/gl_surface_mock.h",
       "command_buffer/service/gpu_scheduler_unittest.cc",
       "command_buffer/service/gpu_service_test.cc",
       "command_buffer/service/gpu_service_test.h",
+      "command_buffer/service/gpu_tracer_unittest.cc",
       "command_buffer/service/id_manager_unittest.cc",
       "command_buffer/service/mailbox_manager_unittest.cc",
       "command_buffer/service/memory_program_cache_unittest.cc",
       "command_buffer/service/mocks.cc",
       "command_buffer/service/mocks.h",
+      "command_buffer/service/program_cache_unittest.cc",
       "command_buffer/service/program_manager_unittest.cc",
-      "command_buffer/service/valuebuffer_manager_unittest.cc",
       "command_buffer/service/query_manager_unittest.cc",
       "command_buffer/service/renderbuffer_manager_unittest.cc",
-      "command_buffer/service/program_cache_unittest.cc",
       "command_buffer/service/shader_manager_unittest.cc",
-      "command_buffer/service/shader_translator_unittest.cc",
       "command_buffer/service/shader_translator_cache_unittest.cc",
+      "command_buffer/service/shader_translator_unittest.cc",
       "command_buffer/service/test_helper.cc",
       "command_buffer/service/test_helper.h",
       "command_buffer/service/texture_manager_unittest.cc",
       "command_buffer/service/transfer_buffer_manager_unittest.cc",
-      "command_buffer/service/vertex_attrib_manager_unittest.cc",
+      "command_buffer/service/valuebuffer_manager_unittest.cc",
       "command_buffer/service/vertex_array_manager_unittest.cc",
-      "command_buffer/service/gpu_tracer_unittest.cc",
+      "command_buffer/service/vertex_attrib_manager_unittest.cc",
       "config/gpu_blacklist_unittest.cc",
       "config/gpu_control_list_entry_unittest.cc",
       "config/gpu_control_list_number_info_unittest.cc",