Add error description to the DidFailProvisionalLoad callback.

content/renderer/render_view_browsertest.cc

Index: content/renderer/render_view_browsertest.cc
diff --git a/content/renderer/render_view_browsertest.cc b/content/renderer/render_view_browsertest.cc
index 78df67c6b009dc80b0fb613f9c30f544e2538dd0..5db89084673722c5ea95460aa00f67617d15b9c0 100644
--- a/content/renderer/render_view_browsertest.cc
+++ b/content/renderer/render_view_browsertest.cc
@@ -894,7 +894,7 @@ TEST_F(RenderViewImplTest, InsertCharacters) {
 TEST_F(RenderViewImplTest, DISABLED_DidFailProvisionalLoadWithErrorForError) {
   GetMainFrame()->enableViewSourceMode(true);
   WebURLError error;
-  error.domain.fromUTF8("test_domain");
+  error.domain = WebString::fromUTF8(net::kErrorDomain);
   error.reason = net::ERR_FILE_NOT_FOUND;
   error.unreachableURL = GURL("http://foo");
   WebFrame* web_frame = GetMainFrame();
@@ -907,7 +907,7 @@ TEST_F(RenderViewImplTest, DISABLED_DidFailProvisionalLoadWithErrorForError) {
 TEST_F(RenderViewImplTest, DidFailProvisionalLoadWithErrorForCancellation) {
   GetMainFrame()->enableViewSourceMode(true);
   WebURLError error;
-  error.domain.fromUTF8("test_domain");
+  error.domain = WebString::fromUTF8(net::kErrorDomain);
   error.reason = net::ERR_ABORTED;
   error.unreachableURL = GURL("http://foo");
   WebFrame* web_frame = GetMainFrame();