Implement upload progress handling in Mojo loading

content/browser/loader/upload_progress_tracker_unittest.cc

Index: content/browser/loader/upload_progress_tracker_unittest.cc
diff --git a/content/browser/loader/upload_progress_tracker_unittest.cc b/content/browser/loader/upload_progress_tracker_unittest.cc
index 508368d41f1be66b57133cac8e29e079e2ac7c07..cf556db2c94ec8b2366a01218c5d16530662715a 100644
--- a/content/browser/loader/upload_progress_tracker_unittest.cc
+++ b/content/browser/loader/upload_progress_tracker_unittest.cc
@@ -190,7 +190,7 @@ TEST_F(UploadProgressTrackerTest, TimePassed) {
   EXPECT_EQ(1, report_count_);
 
   upload_progress_tracker_.set_current_time(base::TimeTicks::Now() +
-                                            base::TimeDelta::FromSeconds(1));
+                                            base::TimeDelta::FromSeconds(5));
 
   // The third timer task calls ReportUploadProgress since it's been long time
   // from the last report.
@@ -221,7 +221,7 @@ TEST_F(UploadProgressTrackerTest, Rewound) {
   EXPECT_EQ(1, report_count_);
 
   upload_progress_tracker_.set_current_time(base::TimeTicks::Now() +
-                                            base::TimeDelta::FromSeconds(1));
+                                            base::TimeDelta::FromSeconds(5));
 
   // Even after a good amount of time passed, the rewound progress should not be
   // reported.