cloud: Adding a user-agent to the outgoing request

storage/storage.go

Index: storage/storage.go 
diff --git a/storage/storage.go b/storage/storage.go 
index 3cea67bedac0f92c9ee2e994f00a0af253cfbc30..faeef9f3455c8963c6d17549472c6026cc7402ea 100644 
--- a/storage/storage.go 
+++ b/storage/storage.go 
@@ -22,6 +22,7 @@ import ( 
	"net/http" 
 
	raw "code.google.com/p/google-api-go-client/storage/v1" 
+	"google.golang.org/cloud/internal" 
 ) 
 
 const ( 
@@ -81,7 +82,10 @@ func New(tr http.RoundTripper) *Client { 
 // uses the provided http.Client. Provided http.Client is responsible 
 // to authorize and authenticate the requests made to the 
 // Google Cloud Storage API. 
+// It mutates the client's original Transport to append the cloud 
+// package's user-agent to the outgoing requests. 
 func NewWithClient(c *http.Client) *Client { 
+	c.Transport = &internal.UATransport{Base: c.Transport} 
	s, _ := raw.New(c) 
	return &Client{conn: &conn{s: s, c: c}} 
 }