Move IPC fuzzer switches and helpers from chrome/common to content/common.

content/browser/BUILD.gn

 # Copyright 2014 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/features.gni")
 import("//build/config/ui.gni")
 import("//content/browser/browser.gni")
 import("//media/media_options.gni")
+import("//tools/ipc_fuzzer/ipc_fuzzer.gni")
 
 source_set("browser") {
   # Only the public target should depend on this. All other targets (even
   # internal content ones) should depend on the public one.
   visibility = [
     ":for_content_tests",  # See top of //content/BUILD.gn for why.
     "//content/public/browser:browser_sources",
   ]
 
   configs += [
@@ skipping 489 matching lines @@
   if (!is_mac && !is_android) {
     sources -= [
       "gpu/gpu_surface_tracker.cc",
       "gpu/gpu_surface_tracker.h",
     ]
   }
 
   if (enable_webvr) {
     deps += [ "//device/vr" ]
   }
+
+  if (enable_ipc_fuzzer) {
+    configs += [ "//tools/ipc_fuzzer:ipc_fuzzer_config" ]
+  }
 }
 
 # See comment at the top of //content/BUILD.gn for how this works.
 group("for_content_tests") {
   visibility = [ "//content/test/*" ]
   if (!is_component_build) {
     public_deps = [
       ":browser",
     ]
   } else {
     public_deps = [
       "//third_party/leveldatabase",
     ]
   }
 }