Suppress an uninitialized condition in HttpStreamFactoryImpl

tools/heapcheck/suppressions.txt

Index: tools/heapcheck/suppressions.txt
===================================================================
--- tools/heapcheck/suppressions.txt	(revision 180117)
+++ tools/heapcheck/suppressions.txt	(working copy)
@@ -1847,21 +1847,21 @@
    fun:chromeos::MagnificationManagerTest_MagnificationObserver_Test::TestBody
 }
 {
-bug_173597_a
-Heapcheck:Leak
-fun:g_realloc
-fun:gfx::RenderTextTest_PangoAttributes_Test::TestBody
+   bug_173597_a
+   Heapcheck:Leak
+   fun:g_realloc
+   fun:gfx::RenderTextTest_PangoAttributes_Test::TestBody
 }
 {
-bug_173597_b
-Heapcheck:Leak
-fun:??
-fun:gfx::RenderTextTest_PangoAttributes_Test::TestBody
+   bug_173597_b
+   Heapcheck:Leak
+   fun:??
+   fun:gfx::RenderTextTest_PangoAttributes_Test::TestBody
 }
 {
-bug_173597_c
-Heapcheck:Leak
-fun:FcConfigEvaluate
-fun:gfx::RenderTextLinux::EnsureLayout
-fun:gfx::RenderTextTest_PangoAttributes_Test::TestBody
+   bug_173597_c
+   Heapcheck:Leak
+   fun:FcConfigEvaluate
+   fun:gfx::RenderTextLinux::EnsureLayout
+   fun:gfx::RenderTextTest_PangoAttributes_Test::TestBody
 }