Disable Math and Symbols segmentation, fix dotted circle sequence

third_party/WebKit/Source/platform/fonts/ScriptRunIteratorTest.cpp

Index: third_party/WebKit/Source/platform/fonts/ScriptRunIteratorTest.cpp
diff --git a/third_party/WebKit/Source/platform/fonts/ScriptRunIteratorTest.cpp b/third_party/WebKit/Source/platform/fonts/ScriptRunIteratorTest.cpp
index 84ab5685d00036d819fdb87ce819f14ff12ff227..4797551497ceeffcd12a337380d9240590196017 100644
--- a/third_party/WebKit/Source/platform/fonts/ScriptRunIteratorTest.cpp
+++ b/third_party/WebKit/Source/platform/fonts/ScriptRunIteratorTest.cpp
@@ -363,6 +363,12 @@ TEST_F(ScriptRunIteratorTest, Common)
     CHECK_RUNS({ { " ... !?", USCRIPT_COMMON } });
 }
 
+TEST_F(ScriptRunIteratorTest, CombiningCircle)
+{
+    CHECK_RUNS({ { "◌́◌̀◌̈◌̂◌̄◌̊", USCRIPT_COMMON } });
+}
+
+
 TEST_F(ScriptRunIteratorTest, Latin)
 {
     CHECK_RUNS({ { "latin", USCRIPT_LATIN } });