Compile pdf_browsertest.cc in non-official builds too.

chrome/chrome_tests.gypi

Index: chrome/chrome_tests.gypi
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index 3dc83e3260ee9fbc25667597ea1c79e8bc3a5780..4e829b11b3273939268362b7fba7114c5ee04254 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -1447,6 +1447,7 @@
         'browser/ui/gtk/view_id_util_browsertest.cc',
         'browser/ui/login/login_prompt_browsertest.cc',
         'browser/ui/panels/panel_extension_browsertest.cc',
+        'browser/ui/pdf/pdf_browsertest.cc',
         'browser/ui/prefs/prefs_tab_helper_browsertest.cc',
         'browser/ui/startup/startup_browser_creator_browsertest.cc',
         'browser/ui/sync/one_click_signin_bubble_links_delegate_browsertest.cc',
@@ -1826,9 +1827,6 @@
           'dependencies': [
             '../pdf/pdf.gyp:pdf',
           ],
-          'sources': [
-            'browser/ui/pdf/pdf_browsertest.cc',
-          ],
         }],
         ['OS!="linux" or toolkit_views==1', {
           'sources!': [