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

gpu/BUILD.gn

Index: gpu/BUILD.gn
diff --git a/gpu/BUILD.gn b/gpu/BUILD.gn
index 141b2b2b13ab0044bebf77c332bacbf79403546a..8244ec63575a2c1d63d1bf62465ddc68848173e8 100644
--- a/gpu/BUILD.gn
+++ b/gpu/BUILD.gn
@@ -160,6 +160,9 @@ test("gl_tests") {
     "//base",
     "//base/test:test_support",
     "//base/third_party/dynamic_annotations",
+    "//gpu/command_buffer/client:gles2_c_lib",
+    "//gpu/command_buffer/client:gles2_implementation",
+    "//gpu/command_buffer/common:gles2_utils",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/angle:translator",
@@ -167,9 +170,6 @@ test("gl_tests") {
     "//ui/gfx:test_support",
     "//ui/gfx/geometry",
     "//ui/gl",
-    "//gpu/command_buffer/common:gles2_utils",
-    "//gpu/command_buffer/client:gles2_c_lib",
-    "//gpu/command_buffer/client:gles2_implementation",
   ]
 
   libs = []
@@ -299,18 +299,18 @@ test("gpu_unittests") {
     "//base",
     "//base/test:test_support",
     "//base/third_party/dynamic_annotations",
+    "//gpu/command_buffer/client:gles2_c_lib",
+    "//gpu/command_buffer/client:gles2_implementation",
+    "//gpu/command_buffer/common:gles2_utils",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/angle:translator",
     "//ui/gfx",
-    "//ui/gfx/geometry",
     "//ui/gfx:test_support",
+    "//ui/gfx/geometry",
     "//ui/gl",
     "//ui/gl:gl_unittest_utils",
     "//ui/gl:test_support",
-    "//gpu/command_buffer/common:gles2_utils",
-    "//gpu/command_buffer/client:gles2_c_lib",
-    "//gpu/command_buffer/client:gles2_implementation",
   ]
 }