Add new text for indicating we are resolving hosts during proxy resolution.

net/proxy/proxy_service.cc

Index: net/proxy/proxy_service.cc
diff --git a/net/proxy/proxy_service.cc b/net/proxy/proxy_service.cc
index 41ba41d853f3da8a64c44339832c4aa8768cf4a0..892d0f74ba61f2d24a28321c279c52b442d1e481 100644
--- a/net/proxy/proxy_service.cc
+++ b/net/proxy/proxy_service.cc
@@ -118,6 +118,17 @@ class ProxyResolverNull : public ProxyResolver {
     NOTREACHED();
   }
 
+  virtual LoadState GetLoadState(RequestHandle request) const OVERRIDE {
+    NOTREACHED();
+    return LOAD_STATE_IDLE;
+  }
+
+  virtual LoadState GetLoadStateThreadSafe(
+      RequestHandle request) const OVERRIDE {
+    NOTREACHED();
+    return LOAD_STATE_IDLE;
+  }
+
   virtual void CancelSetPacScript() OVERRIDE {
     NOTREACHED();
   }
@@ -150,6 +161,17 @@ class ProxyResolverFromPacString : public ProxyResolver {
     NOTREACHED();
   }
 
+  virtual LoadState GetLoadState(RequestHandle request) const OVERRIDE {
+    NOTREACHED();
+    return LOAD_STATE_IDLE;
+  }
+
+  virtual LoadState GetLoadStateThreadSafe(
+      RequestHandle request) const OVERRIDE {
+    NOTREACHED();
+    return LOAD_STATE_IDLE;
+  }
+
   virtual void CancelSetPacScript() OVERRIDE {
     NOTREACHED();
   }
@@ -382,6 +404,12 @@ class ProxyService::PacRequest
 
   BoundNetLog* net_log() { return &net_log_; }
 
+  LoadState GetLoadState() const {
+    if (is_started())
+      return resolver()->GetLoadState(resolve_job_);
+    return LOAD_STATE_RESOLVING_PROXY_FOR_URL;
+  }
+
  private:
   friend class base::RefCounted<ProxyService::PacRequest>;
 
@@ -779,6 +807,11 @@ void ProxyService::CancelPacRequest(PacRequest* req) {
   RemovePendingRequest(req);
 }
 
+LoadState ProxyService::GetLoadState(const PacRequest* req) const {
+  CHECK(req);
+  return req->GetLoadState();
+}
+
 bool ProxyService::ContainsPendingRequest(PacRequest* req) {
   PendingRequests::iterator it = std::find(
       pending_requests_.begin(), pending_requests_.end(), req);