Stop inlining StringBuffer<CharType>::shrink().

Source/wtf/text/StringBufferTest.cpp

Index: Source/wtf/text/StringBufferTest.cpp
diff --git a/Source/wtf/text/StringBufferTest.cpp b/Source/wtf/text/StringBufferTest.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..4a309732619128636896058c3eb1772a74b1261b
--- /dev/null
+++ b/Source/wtf/text/StringBufferTest.cpp
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2014 The Chromium Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "config.h"
+
+#include "wtf/text/StringBuffer.h"
+
+#include <gtest/gtest.h>
+
+namespace {
+
+
+TEST(StringBuffer, Initial)
+{
+    StringBuffer<LChar> buf1;
+    EXPECT_EQ(0u, buf1.length());
+    EXPECT_FALSE(buf1.characters());
+
+    StringBuffer<LChar> buf2(0);
+    EXPECT_EQ(0u, buf2.length());
+    EXPECT_FALSE(buf2.characters());
+
+    StringBuffer<LChar> buf3(1);
+    EXPECT_EQ(1u, buf3.length());
+    EXPECT_TRUE(buf3.characters());
+}
+
+TEST(StringBuffer, shrink)
+{
+    StringBuffer<LChar> buf(2);
+    EXPECT_EQ(2u, buf.length());
+    buf[0] = 'a';
+    buf[1] = 'b';
+
+    buf.shrink(1);
+    EXPECT_EQ(1u, buf.length());
+    EXPECT_EQ('a', buf[0]);
+
+    buf.shrink(0);
+    EXPECT_EQ(0u, buf.length());
+}
+
+} // namespace