Uses and returns the fractional width in text eliding

ui/views/corewm/tooltip_controller_test_helper.h

 // 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.
 
 #ifndef UI_VIEWS_COREWM_TOOLTIP_CONTROLLER_TEST_HELPER_H_
 #define UI_VIEWS_COREWM_TOOLTIP_CONTROLLER_TEST_HELPER_H_
 
 #include "base/logging.h"
 #include "base/strings/string16.h"
 #include "ui/views/view.h"
@@ skipping 20 matching lines @@
   TooltipController* controller() { return controller_; }
 
   // These are mostly cover methods for TooltipController private methods.
   string16 GetTooltipText();
   aura::Window* GetTooltipWindow();
   void FireTooltipTimer();
   bool IsTooltipTimerRunning();
   void FireTooltipShownTimer();
   bool IsTooltipShownTimerRunning();
   bool IsTooltipVisible();
-  static void TrimTooltipToFit(int max_width,
+  static void TrimTooltipToFit(float max_width,
                                string16* text,
-                               int* width,
+                               float* width,
                                int* line_count);
 
  private:
   TooltipController* controller_;
 
   DISALLOW_COPY_AND_ASSIGN(TooltipControllerTestHelper);
 };
 
 // Trivial View subclass that lets you set the tooltip text.
 class TooltipTestView : public views::View {
@@ skipping 12 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(TooltipTestView);
 };
 
 
 }  // namespace test
 }  // namespace corewm
 }  // namespace views
 
 #endif  // UI_VIEWS_COREWM_TOOLTIP_CONTROLLER_TEST_HELPER_H_