linux: Avoid leak in PlatformFontPangoTest.FamilyList.

build/linux/system.gyp

Index: build/linux/system.gyp
diff --git a/build/linux/system.gyp b/build/linux/system.gyp
index 32789a94e9bd14c764397f1da0820db95e943327..4ffe7c869a8cee8ed542425f2dc9d6e3fd27c717 100644
--- a/build/linux/system.gyp
+++ b/build/linux/system.gyp
@@ -782,29 +782,29 @@
         ['_toolset=="target"', {
           'direct_dependent_settings': {
             'cflags': [
-              '<!@(<(pkg-config) --cflags pangocairo)',
+              '<!@(<(pkg-config) --cflags pangocairo pangoft2)',
             ],
           },
           'link_settings': {
             'ldflags': [
-              '<!@(<(pkg-config) --libs-only-L --libs-only-other pangocairo)',
+              '<!@(<(pkg-config) --libs-only-L --libs-only-other pangocairo pangoft2)',
             ],
             'libraries': [
-              '<!@(<(pkg-config) --libs-only-l pangocairo)',
+              '<!@(<(pkg-config) --libs-only-l pangocairo pangoft2)',
             ],
           },
         }, {
           'direct_dependent_settings': {
             'cflags': [
-              '<!@(pkg-config --cflags pangocairo)',
+              '<!@(pkg-config --cflags pangocairo pangoft2)',
             ],
           },
           'link_settings': {
             'ldflags': [
-              '<!@(pkg-config --libs-only-L --libs-only-other pangocairo)',
+              '<!@(pkg-config --libs-only-L --libs-only-other pangocairo pangoft2)',
             ],
             'libraries': [
-              '<!@(pkg-config --libs-only-l pangocairo)',
+              '<!@(pkg-config --libs-only-l pangocairo pangoft2)',
             ],
           },
         }],