[DevTools] Reduce API surface of String16.

third_party/WebKit/Source/platform/inspector_protocol/String16WTF.cpp

Index: third_party/WebKit/Source/platform/inspector_protocol/String16WTF.cpp
diff --git a/third_party/WebKit/Source/platform/inspector_protocol/String16WTF.cpp b/third_party/WebKit/Source/platform/inspector_protocol/String16WTF.cpp
index 387ecc3f48c45c98d8d89359ac269bbc1738d282..c18c0b65be6ceed642c5abaa78df5c455bac9beb 100644
--- a/third_party/WebKit/Source/platform/inspector_protocol/String16WTF.cpp
+++ b/third_party/WebKit/Source/platform/inspector_protocol/String16WTF.cpp
@@ -17,17 +17,8 @@ String16::String16(const WTF::String& other)
 {
     if (other.isNull())
         return;
-    if (!other.is8Bit()) {
-        m_impl = other;
-        return;
-    }
-
-    UChar* data;
-    const LChar* characters = other.characters8();
-    size_t length = other.length();
-    m_impl = String::createUninitialized(length, data);
-    for (size_t i = 0; i < length; ++i)
-        data[i] = characters[i];
+    m_impl = other;
+    m_impl.ensure16Bit();
 }
 
 String16::String16(const char* characters, size_t length)
@@ -38,10 +29,5 @@ String16::String16(const char* characters, size_t length)
         data[i] = characters[i];
 }
 
-String16 String16::createUninitialized(unsigned length, UChar*& data)
-{
-    return String::createUninitialized(length, data);
-}
-
 } // namespace protocol
 } // namespace blink