Shape unicode-range: font faces in only one iteration

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

Index: third_party/WebKit/Source/platform/fonts/UnicodeRangeSet.cpp
diff --git a/third_party/WebKit/Source/platform/fonts/UnicodeRangeSet.cpp b/third_party/WebKit/Source/platform/fonts/UnicodeRangeSet.cpp
index 309c50a33c2bdd0b6083f56600038a444a32f207..6dbac82de749dd39df31df0799dd0122ede351e4 100644
--- a/third_party/WebKit/Source/platform/fonts/UnicodeRangeSet.cpp
+++ b/third_party/WebKit/Source/platform/fonts/UnicodeRangeSet.cpp
@@ -62,15 +62,6 @@ bool UnicodeRangeSet::contains(UChar32 c) const
     return it != m_ranges.end() && it->contains(c);
 }
 
-bool UnicodeRangeSet::contains(const FontDataRange& range) const
-{
-    for (auto it = m_ranges.begin(); it != m_ranges.end(); ++it) {
-        if (*it == range)
-            return true;
-    }
-    return false;
-}
-
 bool UnicodeRangeSet::intersectsWith(const String& text) const
 {
     if (text.isEmpty())
@@ -90,4 +81,17 @@ bool UnicodeRangeSet::intersectsWith(const String& text) const
     return false;
 }
 
+bool UnicodeRangeSet::operator==(const UnicodeRangeSet& other) const
+{
+    if (m_ranges.size() == 0 && other.size() == 0)
+        return true;
+    if (m_ranges.size() != other.size()) {
+        return false;
+    }
+    bool equal = true;
+    for (size_t i = 0; i < m_ranges.size(); ++i) {
+        equal = equal && m_ranges[i] == other.m_ranges[i];
+    }
+    return equal;
+}
 }