Remove last use of Platform::networkService()

sky/engine/public/platform/Platform.h

Index: sky/engine/public/platform/Platform.h
diff --git a/sky/engine/public/platform/Platform.h b/sky/engine/public/platform/Platform.h
index af287f429f2dc481535a116c3b7bbea0431898ec..e3961f3b432b89fce4d38981bfe607e701abdfc2 100644
--- a/sky/engine/public/platform/Platform.h
+++ b/sky/engine/public/platform/Platform.h
@@ -45,10 +45,6 @@ namespace base {
 class SingleThreadTaskRunner;
 }
 
-namespace mojo {
-class NetworkService;
-}
-
 namespace blink {
 
 class WebBlobRegistry;
@@ -145,13 +141,6 @@ public:
     // See comments on ImageDecoder::m_maxDecodedBytes.
     virtual size_t maxDecodedImageBytes() { return noDecodedImageByteLimit; }
 
-    // Network -------------------------------------------------------------
-
-    virtual mojo::NetworkService* networkService() { return 0; }
-
-    // A suggestion to cache this metadata in association with this URL.
-    virtual void cacheMetadata(const WebURL&, double responseTime, const char* data, size_t dataSize) { }
-
     // Resources -----------------------------------------------------------
 
     // Returns a localized string resource (with substitution parameters).