Fix content_browsertests on Linux GN build.

content/test/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/module_args/v8.gni")
 import("//testing/test.gni")
 import("//third_party/mojo/src/mojo/public/tools/bindings/mojom.gni")
@@ skipping 293 matching lines @@
       "//ui/base",
       "//ui/base/ime",
       "//ui/gfx",
       "//ui/gfx/geometry",
       "//ui/gl",
       "//ui/resources",
       "//ui/shell_dialogs",
       "//ui/snapshot",
     ]
 
+    data_deps = []
+
     if (!is_chromeos) {
       sources -=
           [ "../browser/web_contents/touch_editable_impl_aura_browsertest.cc" ]
     }
 
     if (is_win) {
       sources += rebase_path(
               content_tests_gypi_values.content_browsertests_win_sources,
               ".",
               "//content")
@@ skipping 60 matching lines @@
 
     if (use_aura && !is_win) {
       deps += [ "//ui/events:test_support" ]
     }
 
     if (!use_aura && !is_mac) {
       sources -=
           [ "../browser/compositor/image_transport_factory_browsertest.cc" ]
     }
 
+    if (use_aura && !is_win) {
+      sources -= [ "../browser/plugin_browsertest.cc" ]
+    }
+
     if (!is_android && !is_ios && !is_linux) {
       # Npapi test plugin doesn't build on Android or iOS.
       #data_deps += [ 'copy_npapi_test_plugin' ]  TODO(GYP)
     }
 
     if (enable_webrtc) {
       sources += rebase_path(
               content_tests_gypi_values.content_browsertests_webrtc_sources,
               ".",
               "//content")
       deps += [ "//testing/perf" ]
     }
 
     if (enable_plugins) {
       sources += rebase_path(
               content_tests_gypi_values.content_browsertests_plugins_sources,
               ".",
               "//content")
-      #deps += [ "//ppapi:ppapi_tests" ]  # TODO(GYP)
+      data_deps += [ "//ppapi:ppapi_tests" ]
     }
 
     if (enable_web_speech) {
       sources += rebase_path(
               content_tests_gypi_values.content_browsertests_speech_sources,
               ".",
               "//content")
     }
 
     if (!is_chrome_branded) {
@@ skipping 273 matching lines @@
       "//content/public/common",
       "//testing/gtest",
       "//third_party/WebKit/public:blink",
       "//ui/base",
       "//ui/gfx",
       "//ui/gfx/geometry",
       "//ui/gl",
     ]
   }
 }