Drop test-only WebFrameClient params/functions

components/test_runner/layout_test_runtime_flags.h

 // Copyright 2016 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.
 
 #ifndef COMPONENTS_TEST_RUNNER_LAYOUT_TEST_RUNTIME_FLAGS_H_
 #define COMPONENTS_TEST_RUNNER_LAYOUT_TEST_RUNTIME_FLAGS_H_
 
 #include <string>
 
 #include "base/logging.h"
@@ skipping 117 matching lines @@
   DEFINE_BOOL_LAYOUT_TEST_RUNTIME_FLAG(dump_ping_loader_callbacks)
 
   // If true, the test_shell will output a line of the user gesture status
   // text for some frame load callbacks.
   DEFINE_BOOL_LAYOUT_TEST_RUNTIME_FLAG(
       dump_user_gesture_in_frame_load_callbacks)
 
   // If true, the test_shell will output a descriptive line for each resource
   // load callback.
   DEFINE_BOOL_LAYOUT_TEST_RUNTIME_FLAG(dump_resource_load_callbacks)
-  DEFINE_BOOL_LAYOUT_TEST_RUNTIME_FLAG(dump_resource_priorities)
 
   // If true, the test_shell will output the MIME type for each resource that
   // was loaded.
   DEFINE_BOOL_LAYOUT_TEST_RUNTIME_FLAG(dump_resource_response_mime_types)
 
   // If true, content_shell will dump the default navigation policy passed to
   // WebFrameClient::decidePolicyForNavigation.
   DEFINE_BOOL_LAYOUT_TEST_RUNTIME_FLAG(dump_navigation_policy)
 
   // If true, output a message when the page title is changed.
@@ skipping 47 matching lines @@
 
  private:
   TrackedDictionary dict_;
 
   DISALLOW_COPY_AND_ASSIGN(LayoutTestRuntimeFlags);
 };
 
 }  // namespace test_runner
 
 #endif  // COMPONENTS_TEST_RUNNER_LAYOUT_TEST_RUNTIME_FLAGS_H_