Update network priorities to support better granularity

of resource loading from WebKit into the network stack.

In order to fully make these work, webkit changes are needed
as well.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/452033

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@33546 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 8 insertions, 7 deletions

diff --git a/net/url_request/url_request.cc b/net/url_request/url_request.cc
index 6aa2574..b4ea82f 100644
--- a/net/url_request/url_request.cc
+++ b/net/url_request/url_request.cc
@@ -48,7 +48,7 @@ URLRequest::URLRequest(const GURL& url, Delegate* delegate)
       enable_profiling_(false),
       redirect_limit_(kMaxRedirects),
       final_upload_progress_(0),
-      priority_(0),
+      priority_(net::LOWEST),
       ALLOW_THIS_IN_INITIALIZER_LIST(request_tracker_node_(this)) {
   SIMPLE_STATS_COUNTER("URLRequestCount");
 
diff --git a/net/url_request/url_request.h b/net/url_request/url_request.h
index d342b7d..1b73b95 100644
--- a/net/url_request/url_request.h
+++ b/net/url_request/url_request.h
@@ -18,6 +18,7 @@
 #include "googleurl/src/gurl.h"
 #include "net/base/load_log.h"
 #include "net/base/load_states.h"
+#include "net/base/request_priority.h"
 #include "net/http/http_response_info.h"
 #include "net/url_request/request_tracker.h"
 #include "net/url_request/url_request_status.h"
@@ -494,11 +495,11 @@ class URLRequest {
   // Returns the expected content size if available
   int64 GetExpectedContentSize() const;
 
-  // Returns the priority level for this request.  A larger value indicates
-  // higher priority.  Negative values are not used.
-  int priority() const { return priority_; }
-  void set_priority(int priority) {
-    DCHECK_GE(priority, 0);
+  // Returns the priority level for this request.
+  net::RequestPriority priority() const { return priority_; }
+  void set_priority(net::RequestPriority priority) {
+    DCHECK_GE(priority, net::HIGHEST);
+    DCHECK_LE(priority, net::LOWEST);
     priority_ = priority;
   }
 
@@ -608,7 +609,7 @@ class URLRequest {
 
   // The priority level for this request.  Objects like ClientSocketPool use
   // this to determine which URLRequest to allocate sockets to first.
-  int priority_;
+  net::RequestPriority priority_;
 
   RequestTracker<URLRequest>::Node request_tracker_node_;
   base::LeakTracker<URLRequest> leak_tracker_;