Maintain minimal error response.

content/browser/renderer_host/render_widget_host_view_browsertest.cc

 // Copyright (c) 2013 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 "base/barrier_closure.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/path_service.h"
 #include "base/run_loop.h"
 #include "content/browser/gpu/compositor_util.h"
@@ skipping 635 matching lines @@
       // whether the implementation is broken, or a test bot is in a bad state.
       #define CASE_LOG_READBACK_WARNING(enum_value) \
         case enum_value: \
           LOG(WARNING) << "Readback attempt failed (render frame #" \
                        << last_frame_number << ").  Reason: " #enum_value; \
           break
       switch (readback_response_) {
         case READBACK_SUCCESS:
           break;
         CASE_LOG_READBACK_WARNING(READBACK_FAILED);
-        CASE_LOG_READBACK_WARNING(READBACK_FORMAT_NOT_SUPPORTED);
-        CASE_LOG_READBACK_WARNING(READBACK_NOT_SUPPORTED);
         CASE_LOG_READBACK_WARNING(READBACK_SURFACE_UNAVAILABLE);
-        CASE_LOG_READBACK_WARNING(READBACK_MEMORY_ALLOCATION_FAILURE);
+        CASE_LOG_READBACK_WARNING(READBACK_BITMAP_ALLOCATION_FAILURE);
         CASE_LOG_READBACK_WARNING(READBACK_NO_TEST_COLORS);
         CASE_LOG_READBACK_WARNING(READBACK_TO_VIDEO_FRAME_FAILED);
         default:
           LOG(ERROR)
               << "Invalid readback response value: " << readback_response_;
           NOTREACHED();
       }
     } while (readback_response_ != READBACK_SUCCESS);
   }
 
@@ skipping 288 matching lines @@
                         kTestCompositingModes);
 INSTANTIATE_TEST_CASE_P(
     GLAndSoftwareCompositing,
     CompositingRenderWidgetHostViewBrowserTestTabCaptureHighDPI,
     kTestCompositingModes);
 
 #endif  // !defined(OS_ANDROID) && !defined(OS_IOS)
 
 }  // namespace
 }  // namespace content