Remove old WebSocket implementation from content/

content/child/blink_platform_impl.cc

Index: content/child/blink_platform_impl.cc
diff --git a/content/child/blink_platform_impl.cc b/content/child/blink_platform_impl.cc
index 84beac0dd6f0f1721dc67d0204539da9246c54be..aa62a54ea53551ae329edbf78404d8de1ec68819 100644
--- a/content/child/blink_platform_impl.cc
+++ b/content/child/blink_platform_impl.cc
@@ -35,7 +35,6 @@
 #include "content/child/geofencing/web_geofencing_provider_impl.h"
 #include "content/child/web_discardable_memory_impl.h"
 #include "content/child/web_gesture_curve_impl.h"
-#include "content/child/web_socket_stream_handle_impl.h"
 #include "content/child/web_url_loader_impl.h"
 #include "content/child/websocket_bridge.h"
 #include "content/child/webthread_impl.h"
@@ -62,7 +61,6 @@ using blink::WebData;
 using blink::WebFallbackThemeEngine;
 using blink::WebLocalizedString;
 using blink::WebString;
-using blink::WebSocketStreamHandle;
 using blink::WebThemeEngine;
 using blink::WebURL;
 using blink::WebURLError;
@@ -441,10 +439,6 @@ WebURLLoader* BlinkPlatformImpl::createURLLoader() {
       child_thread ? child_thread->resource_dispatcher() : NULL);
 }
 
-WebSocketStreamHandle* BlinkPlatformImpl::createSocketStreamHandle() {
-  return new WebSocketStreamHandleImpl;
-}
-
 blink::WebSocketHandle* BlinkPlatformImpl::createWebSocketHandle() {
   return new WebSocketBridge;
 }