[DevTools] Reduce API surface of String16.

third_party/WebKit/Source/platform/v8_inspector/V8ConsoleMessage.cpp

Index: third_party/WebKit/Source/platform/v8_inspector/V8ConsoleMessage.cpp
diff --git a/third_party/WebKit/Source/platform/v8_inspector/V8ConsoleMessage.cpp b/third_party/WebKit/Source/platform/v8_inspector/V8ConsoleMessage.cpp
index 84bcc3d6e54df6d0d9eb67e53803ad062d12ce3f..71342352b84982f95bed843545a1c65f993100bc 100644
--- a/third_party/WebKit/Source/platform/v8_inspector/V8ConsoleMessage.cpp
+++ b/third_party/WebKit/Source/platform/v8_inspector/V8ConsoleMessage.cpp
@@ -84,7 +84,7 @@ private:
         if (value->IsSymbolObject())
             return append(v8::Local<v8::SymbolObject>::Cast(value)->ValueOf());
         if (value->IsNumberObject()) {
-            m_builder.appendNumber(v8::Local<v8::NumberObject>::Cast(value)->ValueOf());
+            m_builder.append(protocol::string16FromDoublePrecision6(v8::Local<v8::NumberObject>::Cast(value)->ValueOf()));
             return true;
         }
         if (value->IsBooleanObject()) {
@@ -258,7 +258,7 @@ void V8ConsoleMessage::reportToFrontend(protocol::Runtime::Frontend* frontend, V
             .setText(exception ? m_message : m_detailedMessage)
             .setLineNumber(m_lineNumber ? m_lineNumber - 1 : 0)
             .setColumnNumber(m_columnNumber ? m_columnNumber - 1 : 0)
-            .setScriptId(m_scriptId ? String16::fromInteger(m_scriptId) : String16())
+            .setScriptId(m_scriptId ? protocol::string16FromInteger(m_scriptId) : String16())
             .build();
         if (!m_url.isEmpty())
             details->setUrl(m_url);