Add missing dependencies to the GYP build.

content/content_tests.gypi

Index: content/content_tests.gypi
diff --git a/content/content_tests.gypi b/content/content_tests.gypi
index 9ba42e19a6d5041ce1c75f6bfb1340b445f6cc60..50798e183632d7e493c0c0cf3d2d0168d28b8b9f 100644
--- a/content/content_tests.gypi
+++ b/content/content_tests.gypi
@@ -174,6 +174,7 @@
         ['OS!="ios"', {
           # layouttest_support_content is not supported nor required on iOS.
           'dependencies': [
+            'content.gyp:content_renderer',
             'test_support_content',
             '../skia/skia.gyp:skia',
             '../ui/accessibility/accessibility.gyp:ax_gen',
@@ -212,6 +213,9 @@
         'content.gyp:content_browser',
         'content.gyp:content_common',
       ],
+      'export_dependent_settings': [
+        'content.gyp:content_browser',
+      ],
       'include_dirs': [
         '..',
       ],