GN: Format more gn files

build/toolchain/gcc_toolchain.gni

 # Copyright (c) 2013 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.
 
 # This value will be inherited in the toolchain below.
 concurrent_links = exec_script("get_concurrent_links.py", [], "value")
 
 # This template defines a toolchain for something that works like gcc
 # (including clang).
 #
@@ skipping 183 matching lines @@
       rspfile = "$outfile.rsp"
       unstripped_outfile = outfile
 
       if (defined(invoker.strip)) {
         unstripped_outfile = "{{root_out_dir}}/exe.unstripped/$exename"
       }
 
       command = "$ld {{ldflags}} -o $unstripped_outfile -Wl,--start-group @$rspfile {{solibs}} -Wl,--end-group $libs_section_prefix {{libs}} $libs_section_postfix"
       if (defined(invoker.strip)) {
         strip = invoker.strip
-        strip_command = "${strip} --strip-unneeded -o $outfile $unstripped_outfile"
+        strip_command =
+            "${strip} --strip-unneeded -o $outfile $unstripped_outfile"
         command += " && " + strip_command
       }
       if (defined(invoker.postlink)) {
         command += " && " + invoker.postlink
       }
       description = "LINK $outfile"
       rspfile_content = "{{inputs}}"
       outputs = [
         outfile,
       ]
@@ skipping 28 matching lines @@
       if (defined(invoker.is_clang)) {
         is_clang = invoker.is_clang
       }
     }
 
     if (defined(invoker.deps)) {
       deps = invoker.deps
     }
   }
 }