Remove fail() method without sourceURL and lineNumber parameter.

We can reduce overloads and also remove using.

BUG=none

Review URL: https://codereview.chromium.org/309533008

git-svn-id: svn://svn.chromium.org/blink/trunk@175271 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/modules/websockets/MainThreadWebSocketChannel.h

@@ -82,7 +82,6 @@ public:
     // argument to omit payload.
     virtual void close(int code, const String& reason) OVERRIDE;
     virtual void fail(const String& reason, MessageLevel, const String&, unsigned lineNumber) OVERRIDE;
-    using WebSocketChannel::fail;
     virtual void disconnect() OVERRIDE;
 
     virtual void suspend() OVERRIDE;

third_party/WebKit/Source/modules/websockets/NewWebSocketChannelImpl.h

@@ -89,7 +89,6 @@ public:
     // argument to omit payload.
     virtual void close(int code, const String& reason) OVERRIDE;
     virtual void fail(const String& reason, MessageLevel, const String&, unsigned lineNumber) OVERRIDE;
-    using WebSocketChannel::fail;
     virtual void disconnect() OVERRIDE;
 
     virtual void suspend() OVERRIDE;

third_party/WebKit/Source/modules/websockets/WebSocket.cpp

@@ -480,7 +480,7 @@ void WebSocket::closeInternal(int code, const String& reason, ExceptionState& ex
         return;
     if (m_state == CONNECTING) {
         m_state = CLOSING;
-        m_channel->fail("WebSocket is closed before the connection is established.", WarningMessageLevel);
+        m_channel->fail("WebSocket is closed before the connection is established.", WarningMessageLevel, String(), 0);
         return;
     }
     m_state = CLOSING;

third_party/WebKit/Source/modules/websockets/WebSocketChannel.h

@@ -105,7 +105,6 @@ public:
     // You can specify String() and 0 for sourceURL and lineNumber
     // respectively, if you can't / needn't provide the information.
     virtual void fail(const String& reason, MessageLevel, const String& sourceURL, unsigned lineNumber) = 0;
-    void fail(const String& reason, MessageLevel level) { fail(reason, level, String(), 0); }
 
     virtual void disconnect() = 0; // Will suppress didClose().
 

third_party/WebKit/Source/web/WebSocketImpl.cpp

@@ -42,6 +42,7 @@
 #include "public/platform/WebURL.h"
 #include "public/web/WebDocument.h"
 #include "wtf/ArrayBuffer.h"
+#include "wtf/text/WTFString.h"
 
 using namespace WebCore;
 
@@ -114,7 +115,7 @@ void WebSocketImpl::close(int code, const WebString& reason)
 
 void WebSocketImpl::fail(const WebString& reason)
 {
-    m_private->fail(reason, ErrorMessageLevel);
+    m_private->fail(reason, ErrorMessageLevel, String(), 0);
 }
 
 void WebSocketImpl::disconnect()