Add an action to create a symbol file for the Blimp engine

blimp/BUILD.gn

 # Copyright 2015 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("//build/config/chrome_build.gni")
 import("//build/config/ui.gni")
 import("//testing/test.gni")
 
 # Convenience meta-target for all of Blimp's production & test code.
 group("blimp") {
   # In spite of the name, this really just means that non-test targets
   # cannot depend on this one, and that it can depend on test targets,
   # which fits how we intend to use it.
   testonly = true
 
   deps = [
     ":blimp_tests",
     "//blimp/client",
     "//blimp/common",
   ]
 
   if (is_android) {
     deps += [
       "//blimp/client:blimp_apk",
       "//blimp/client:blimp_apk_incremental",
     ]
   }
 
   if (is_linux) {
     deps += [
       "//blimp/engine",
       "//blimp/engine:blimp_engine_bundle",
     ]
+
+    if (is_official_build) {
+      deps += [ "//blimp/engine:blimp_symbols" ]
+    }
   }
 
   if (is_linux && !is_chromeos && use_x11) {
     deps += [ "//blimp/client:blimp_shell" ]
   }
 }
 
 # Builds all Blimp test code (unit tests, APKs).
 group("blimp_tests") {
   testonly = true
@@ skipping 25 matching lines @@
   }
 }
 
 if (is_linux) {
   test("blimp_browsertests") {
     deps = [
       "//blimp/test:engine_browsertests",
     ]
   }
 }