Use SetUserText() in OmniboxViewViews emphasis tests to ensure system coherence.

components/omnibox/browser/omnibox_view.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.
 
 // This file defines the interface class OmniboxView.  Each toolkit will
 // implement the edit view differently, so that code is inherently platform
 // specific.  However, the OmniboxEditModel needs to do some communication with
 // the view.  Since the model is shared between platforms, we need to define an
 // interface that all view implementations will share.
 
@@ skipping 231 matching lines @@
   // Fills |state| with the current text state.
   void GetState(State* state);
 
   // Returns the delta between |before| and |after|.
   StateChanges GetStateChanges(const State& before,
                                           const State& after);
 
   // Internally invoked whenever the text changes in some way.
   virtual void TextChanged();
 
-  // Returns whether the current text in the model represents a URL. Provided
-  // to allow tests to override the result.
-  virtual bool CurrentTextIsURL();
-
   // Return the number of characters in the current buffer. The name
   // |GetTextLength| can't be used as the Windows override of this class
   // inherits from a class that defines a method with that name.
   virtual int GetOmniboxTextLength() const = 0;
 
   // Try to parse the current text as a URL and colorize the components.
   virtual void EmphasizeURLComponents() = 0;
 
   OmniboxEditController* controller() { return controller_; }
   const OmniboxEditController* controller() const { return controller_; }
@@ skipping 20 matching lines @@
   friend class OmniboxViewMacTest;
 
   // |model_| can be NULL in tests.
   std::unique_ptr<OmniboxEditModel> model_;
   OmniboxEditController* controller_;
 
   DISALLOW_COPY_AND_ASSIGN(OmniboxView);
 };
 
 #endif  // COMPONENTS_OMNIBOX_BROWSER_OMNIBOX_VIEW_H_