Replace instances of datadeps --> data_deps.

content/shell/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("//build/config/win/manifest.gni")
 import("//tools/grit/repack.gni")
 import("//tools/grit/grit_rule.gni")
 if (is_android) {
@@ skipping 242 matching lines @@
     ]
   }
 
   if (is_linux) {
     configs += [ "//build/config/linux:fontconfig" ]
   }
 
   if (use_x11) {
     # Some tests rely on this tool at runtime. Note: it might be better if
     # the tests that needed it had this as a dep instead of adding it here.
-    datadeps = [
-      "//tools/xdisplaycheck",
-    ]
+    data_deps = [ "//tools/xdisplaycheck" ]
 
     deps += [ "//ui/events/devices" ]
   }
 
   if (is_android) {
     deps += [ "//content/shell/android:content_shell_jni_headers" ]
     #deps -= [ "copy_test_netscape_plugin" ]  TODO(GYP)
   }
 
   if (is_posix && !is_mac) {
@@ skipping 154 matching lines @@
       }
     }
 
     if (is_mac) {
       # TODO(GYP) lots of stuff from GYP file here.
     }
 
     if (is_android) {
       # Some tests rely on this tool. It might be nicer if these tests relied on
       # image diff rather than having content shell depend on it.
-      datadeps = [
-        "//tools/imagediff($host_toolchain)",
-      ]
+      data_deps = [ "//tools/imagediff($host_toolchain)" ]
     }
   }
 } else {
   group("content_shell") {
     testonly = true
     deps = [
       ":content_shell_lib",
     ]
   }
 }
 
 if (is_win) {
   # GYP version: content/content_shell_and_tests.gyp:content_shell_crash_service
   executable("crash_service") {
     sources = [
       "tools/content_shell_crash_service.cc",
     ]
 
     deps = [
       "//base",
       "//build/config/sanitizers:deps",
       "//components/crash/tools:crash_service",
     ]
 
     configs -= [ "//build/config/win:console" ]
     configs += [ "//build/config/win:windowed" ]
   }
 }