Remove no longer needed BlinkTestRunner::proxy_ field.

content/shell/renderer/layout_test/blink_test_runner.h

 // Copyright (c) 2012 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 CONTENT_SHELL_RENDERER_LAYOUT_TEST_BLINK_TEST_RUNNER_H_
 #define CONTENT_SHELL_RENDERER_LAYOUT_TEST_BLINK_TEST_RUNNER_H_
 
 #include <deque>
 #include <memory>
 #include <vector>
@@ skipping 144 matching lines @@
   float GetDeviceScaleFactorForTest() const override;
   void RunIdleTasks(const base::Closure& callback) override;
 
   // Resets a RenderView to a known state for layout tests. It is used both when
   // a RenderView is created and when reusing an existing RenderView for the
   // next test case.
   // When reusing an existing RenderView, |for_new_test| should be true, which
   // also resets additional state, like the main frame's name and opener.
   void Reset(bool for_new_test);
 
-  void set_proxy(test_runner::WebTestProxyBase* proxy) { proxy_ = proxy; }
-  test_runner::WebTestProxyBase* proxy() const { return proxy_; }
-
   void ReportLeakDetectionResult(const LeakDetectionResult& result);
 
   // Message handlers forwarded by LayoutTestRenderFrameObserver.
   void OnSetTestConfiguration(const ShellTestConfiguration& params);
   void OnReplicateTestConfiguration(const ShellTestConfiguration& params);
   void OnSetupSecondaryRenderer();
 
  private:
   // Message handlers.
   void OnSessionHistory(
@@ skipping 12 matching lines @@
   void OnLayoutDumpCompleted(std::string completed_layout_dump);
   void CaptureDumpContinued();
   void OnPixelsDumpCompleted(const SkBitmap& snapshot);
   void CaptureDumpComplete();
   std::string DumpHistoryForWindow(blink::WebView* web_view);
 
   mojom::LayoutTestBluetoothFakeAdapterSetter&
   GetBluetoothFakeAdapterSetter();
   mojom::LayoutTestBluetoothFakeAdapterSetterPtr bluetooth_fake_adapter_setter_;
 
-  test_runner::WebTestProxyBase* proxy_;
-
   test_runner::TestPreferences prefs_;
 
   ShellTestConfiguration test_config_;
 
   std::vector<int> routing_ids_;
   std::vector<std::vector<PageState> > session_histories_;
   std::vector<unsigned> current_entry_indexes_;
 
   std::deque<base::Callback<void(const std::vector<std::string>&)>>
       get_bluetooth_events_callbacks_;
 
   bool is_main_window_;
 
   bool focus_on_next_commit_;
 
   std::unique_ptr<LeakDetector> leak_detector_;
 
   DISALLOW_COPY_AND_ASSIGN(BlinkTestRunner);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_SHELL_RENDERER_LAYOUT_TEST_BLINK_TEST_RUNNER_H_