Componentize renderer side of DNS prefetching.

components/dns_prefetch/renderer/predictor_queue.h

Index: components/dns_prefetch/renderer/predictor_queue.h
diff --git a/chrome/renderer/net/predictor_queue.h b/components/dns_prefetch/renderer/predictor_queue.h
similarity index 93%
rename from chrome/renderer/net/predictor_queue.h
rename to components/dns_prefetch/renderer/predictor_queue.h
index dd850b7efb99e594c22540697decdfb9e48d1ed1..cb0c17a1408b4e3a4058d116b628140e2be11a1a 100644
--- a/chrome/renderer/net/predictor_queue.h
+++ b/components/dns_prefetch/renderer/predictor_queue.h
@@ -21,14 +21,16 @@
 // rendering, the supplier is the renderer (typically), and the consumer
 // is a thread that sends messages to an async DNS resolver.
 
-#ifndef CHROME_RENDERER_NET_PREDICTOR_QUEUE_H__
-#define CHROME_RENDERER_NET_PREDICTOR_QUEUE_H__
+#ifndef COMPONENTS_DNS_PREFETCH_RENDERER_PREDICTOR_QUEUE_H__
+#define COMPONENTS_DNS_PREFETCH_RENDERER_PREDICTOR_QUEUE_H__
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 
+namespace dns_prefetch {
+
 class DnsQueue {
  public:
   // BufferSize is a signed type used for indexing into a buffer.
@@ -84,4 +86,6 @@ class DnsQueue {
   DISALLOW_COPY_AND_ASSIGN(DnsQueue);
 };  // class DnsQueue
 
-#endif  // CHROME_RENDERER_NET_PREDICTOR_QUEUE_H__
+}  // namespace dns_prefetch
+
+#endif  // COMPONENTS_DNS_PREFETCH_RENDERER_PREDICTOR_QUEUE_H__