Replace "nested message loop" with "nested run loop" in comments.

ppapi/tests/test_view.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ppapi/tests/test_view.h"
 
 #include <stddef.h>
 
 #include <sstream>
 
@@ skipping 28 matching lines @@
   RUN_TEST(CreatedInvisible, filter);
   RUN_TEST(PageHideShow, filter);
   RUN_TEST(SizeChange, filter);
   RUN_TEST(ClipChange, filter);
   RUN_TEST(ScrollOffsetChange, filter);
 }
 
 bool TestView::WaitUntilViewChanged() {
   size_t old_page_visibility_change_count = page_visibility_log_.size();
 
-  // Run a nested message loop. It will exit either on ViewChanged or if the
+  // Run a nested run loop. It will exit either on ViewChanged or if the
   // timeout happens.
   post_quit_on_view_changed_ = true;
   testing_interface_->RunMessageLoop(instance_->pp_instance());
   post_quit_on_view_changed_ = false;
 
   // We know we got a view changed event if something was appended to the log.
   return page_visibility_log_.size() > old_page_visibility_change_count;
 }
 
 void TestView::QuitMessageLoop(int32_t result) {
@@ skipping 126 matching lines @@
 
   instance_->EvalScript("window.scrollTo(0, 0);");
 
   while (WaitUntilViewChanged() &&
          last_view_.GetScrollOffset() != pp::Point(0, 0)) {
   }
   ASSERT_EQ(pp::Point(0, 0), last_view_.GetScrollOffset());
 
   PASS();
 }