Add support for std::unique_ptr as this pointer in WTF::bind()

third_party/WebKit/Source/wtf/FunctionalTest.cpp

Index: third_party/WebKit/Source/wtf/FunctionalTest.cpp
diff --git a/third_party/WebKit/Source/wtf/FunctionalTest.cpp b/third_party/WebKit/Source/wtf/FunctionalTest.cpp
index 3b70d038ef438680aec96eb1ce8527f268b237ed..fdac803ce2529b3190ae8363b19c76b111ab24e4 100644
--- a/third_party/WebKit/Source/wtf/FunctionalTest.cpp
+++ b/third_party/WebKit/Source/wtf/FunctionalTest.cpp
@@ -294,6 +294,18 @@ TEST(FunctionalTest, MemberFunctionPartBind)
     EXPECT_EQ(25, (*objectBoundFunction2)(15));
 }
 
+TEST(FunctionalTest, MemberFunctionBindByUniquePtr)
+{
+    std::unique_ptr<Function<int()>> function1 = WTF::bind(&A::f, wrapUnique(new A(10)));
+    EXPECT_EQ(10, (*function1)());
+}
+
+TEST(FunctionalTest, MemberFunctionBindByPassedUniquePtr)
+{
+    std::unique_ptr<Function<int()>> function1 = WTF::bind(&A::f, passed(wrapUnique(new A(10))));
+    EXPECT_EQ(10, (*function1)());
+}
+
 class Number : public RefCounted<Number> {
 public:
     static PassRefPtr<Number> create(int value)