Fix under-invalidation of media buffered ranges

third_party/WebKit/Source/core/html/TimeRanges.h

Index: third_party/WebKit/Source/core/html/TimeRanges.h
diff --git a/third_party/WebKit/Source/core/html/TimeRanges.h b/third_party/WebKit/Source/core/html/TimeRanges.h
index 336191f1dbf7a7706ba425656742e0eb5b19d063..40e4f147dc8fd78e56b441df479b57c3f15ad6bd 100644
--- a/third_party/WebKit/Source/core/html/TimeRanges.h
+++ b/third_party/WebKit/Source/core/html/TimeRanges.h
@@ -113,6 +113,8 @@ public:
     DEFINE_INLINE_TRACE() { }
 
 private:
+    friend bool operator==(const TimeRanges&, const TimeRanges&);
+
     TimeRanges() { }
 
     TimeRanges(double start, double end);
@@ -122,6 +124,11 @@ private:
     Vector<Range> m_ranges;
 };
 
+inline bool operator==(const TimeRanges::Range& a, const TimeRanges::Range& b) { return a.m_start == b.m_start && a.m_end == b.m_end; }
+inline bool operator!=(const TimeRanges::Range& a, const TimeRanges::Range& b) { return !(a == b); }
+inline bool operator==(const TimeRanges& a, const TimeRanges& b) { return a.m_ranges == b.m_ranges; }
+inline bool operator!=(const TimeRanges& a, const TimeRanges& b) { return !(a == b); }
+
 } // namespace blink
 
 #endif // TimeRanges_h