Revert of Work on Windows GN component build.

gpu/BUILD.gn

Index: gpu/BUILD.gn
diff --git a/gpu/BUILD.gn b/gpu/BUILD.gn
index eba5e7a35187cfb65d4dc021159a3511f133c11d..d8ac30fe3810911734cc5f9ece66f2edaeb4edc5 100644
--- a/gpu/BUILD.gn
+++ b/gpu/BUILD.gn
@@ -40,12 +40,12 @@
 
 component("gpu") {
   public_deps = [
-    "//gpu/command_buffer/client:client_sources",
+    "//gpu/command_buffer/client",
     "//gpu/command_buffer/client:gles2_cmd_helper_sources",
-    "//gpu/command_buffer/common:common_sources",
-    "//gpu/command_buffer/service:service_sources",
-    "//gpu/config:config_sources",
-    "//gpu/ipc:ipc_sources",
+    "//gpu/command_buffer/common",
+    "//gpu/command_buffer/service",
+    "//gpu/config",
+    "//gpu/ipc",
   ]
 }