cocoa browser: fix meaning of "continuous pulsing"

chrome/browser/ui/cocoa/gradient_button_cell.h

 // Copyright (c) 2011 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 CHROME_BROWSER_UI_COCOA_GRADIENT_BUTTON_CELL_H_
 #define CHROME_BROWSER_UI_COCOA_GRADIENT_BUTTON_CELL_H_
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/mac/scoped_nsobject.h"
@@ skipping 27 matching lines @@
 namespace gradient_button_cell {
 
 // Pulsing state for this button.
 typedef enum {
   // Stable states.
   kPulsedOn,
   kPulsedOff,
   // In motion which will end in a stable state.
   kPulsingOn,
   kPulsingOff,
-  // In continuous motion.
-  kPulsingContinuous,
+  // Continuously illuminated, used to highlight buttons.
+  kPulsingStuckOn,
 } PulseState;
 
 };
 
 
 @interface GradientButtonCell : NSButtonCell {
  @private
   // Custom drawing means we need to perform our own mouse tracking if
   // the cell is setShowsBorderOnlyWhileMouseInside:YES.
   BOOL isMouseInside_;
   base::scoped_nsobject<NSTrackingArea> trackingArea_;
   BOOL shouldTheme_;
   CGFloat hoverAlpha_;  // 0-1. Controls the alpha during mouse hover
   NSTimeInterval lastHoverUpdate_;
   base::scoped_nsobject<NSGradient> gradient_;
   gradient_button_cell::PulseState pulseState_;
-  CGFloat pulseMultiplier_;  // for selecting pulse direction when continuous.
   CGFloat outerStrokeAlphaMult_;  // For pulsing.
   base::scoped_nsobject<NSImage> overlayImage_;
 }
 
 // Turn off theming.  Temporary work-around.
 - (void)setShouldTheme:(BOOL)shouldTheme;
 
 - (void)drawBorderAndFillForTheme:(const ui::ThemeProvider*)themeProvider
                       controlView:(NSView*)controlView
                         innerPath:(NSBezierPath*)innerPath
               showClickedGradient:(BOOL)showClickedGradient
             showHighlightGradient:(BOOL)showHighlightGradient
                        hoverAlpha:(CGFloat)hoverAlpha
                            active:(BOOL)active
                         cellFrame:(NSRect)cellFrame
                   defaultGradient:(NSGradient*)defaultGradient;
 
 // Let the view know when the mouse moves in and out. A timer will update
 // the current hoverAlpha_ based on these events.
 - (void)setMouseInside:(BOOL)flag animate:(BOOL)animate;
 
 // Gets the path which tightly bounds the outside of the button. This is needed
 // to produce images of clear buttons which only include the area inside, since
 // the background of the button is drawn by someone else.
 - (NSBezierPath*)clipPathForFrame:(NSRect)cellFrame
                            inView:(NSView*)controlView;
 
-// Turn on or off continuous pulsing.  When turning off continuous
-// pulsing, leave our pulse state in the correct ending position for
-// our isMouseInside_ property.  Public since it's called from the
-// bookmark bubble.
-- (void)setIsContinuousPulsing:(BOOL)continuous;
+// Turn on or off pulse sticking.  When turning off sticking, leave our pulse
+// state in the correct ending position for our isMouseInside_ property.  Public
+// since it's called from the bookmark bubble.
+- (void)setPulseIsStuckOn:(BOOL)continuous;
 
 // Returns continuous pulse state.
-- (BOOL)isContinuousPulsing;
+- (BOOL)isPulseStuckOn;
 
 // Safely stop continuous pulsing by turning off all timers.
 // May leave the cell in an odd state.
 // Needed by an owning control's dealloc routine.
 - (void)safelyStopPulsing;
 
 // Actually fetches current mouse position and does a hit test.
 - (BOOL)isMouseReallyInside;
 
 // Returns the offset of the start of the text in the cell.
@@ skipping 19 matching lines @@
 @end
 
 @interface GradientButtonCell(TestingAPI)
 - (BOOL)isMouseInside;
 - (BOOL)pulsing;
 - (gradient_button_cell::PulseState)pulseState;
 - (void)setPulseState:(gradient_button_cell::PulseState)pstate;
 @end
 
 #endif  // CHROME_BROWSER_UI_COCOA_GRADIENT_BUTTON_CELL_H_