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

content/browser/compositor/gpu_process_transport_factory.cc

 // Copyright 2014 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 "content/browser/compositor/gpu_process_transport_factory.h"
 
 #include <string>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 438 matching lines @@
             ui::command_buffer_metrics::DISPLAY_COMPOSITOR_ONSCREEN_CONTEXT);
         // TODO(vadimt): Remove ScopedTracker below once crbug.com/125248 is
         // fixed. Tracking time in BindToCurrentThread.
         tracked_objects::ScopedTracker tracking_profile(
             FROM_HERE_WITH_EXPLICIT_FUNCTION(
                 "125248"
                 " GpuProcessTransportFactory::EstablishedGpuChannel"
                 "::Compositor"));
 #if defined(OS_MACOSX)
         // On Mac, GpuCommandBufferMsg_SwapBuffersCompleted must be handled in
-        // a nested message loop during resize.
+        // a nested run loop during resize.
         context_provider->SetDefaultTaskRunner(
             ui::WindowResizeHelperMac::Get()->task_runner());
 #endif
         if (!context_provider->BindToCurrentThread())
           context_provider = nullptr;
       }
     }
 
     bool created_gpu_browser_compositor =
         !!context_provider && !!shared_worker_context_provider_;
@@ skipping 473 matching lines @@
       shared_vulkan_context_provider_ =
           cc::VulkanInProcessContextProvider::Create();
     }
 
     shared_vulkan_context_provider_initialized_ = true;
   }
   return shared_vulkan_context_provider_;
 }
 
 }  // namespace content