[Mac] Fix rough-looking profile picker text, especially with a dark theme.

chrome/browser/ui/cocoa/browser_window_fullscreen_transition.mm

 // Copyright 2015 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.
 
 #import "chrome/browser/ui/cocoa/browser_window_fullscreen_transition.h"
 
 #include <QuartzCore/QuartzCore.h>
 
 #include <memory>
 
@@ skipping 36 matching lines @@
   void set_lock(bool lock) { [window_ setStyleMaskLock:lock]; }
 
  private:
   FramedBrowserWindow* window_;  // weak
 
   DISALLOW_COPY_AND_ASSIGN(FrameAndStyleLock);
 };
 
 }  // namespace
 
-// This view draws a dummy toolbar over the resized content view during
-// the exit fullscreen animation. It is removed at the end of the animation.
-@interface FullscreenTabStripBackgroundView : NSView {
-  base::scoped_nsobject<NSColor> windowBackgroundColor_;
-}
-
-- (instancetype)initWithFrame:(NSRect)frame background:(NSColor*)color;
-
-@end
-
-@implementation FullscreenTabStripBackgroundView
-
-- (instancetype)initWithFrame:(NSRect)frame background:(NSColor*)color {
-  if ((self = [super initWithFrame:frame])) {
-    windowBackgroundColor_.reset([color copy]);
-  }
-  return self;
-}
-
-// Override this method so that we can paint the toolbar in this view.
-// This method first fill itself with the toolbar's background. After that,
-// it will paint the window's theme if applicable.
-- (void)drawRect:(NSRect)frame {
-  [windowBackgroundColor_ set];
-  NSRectFillUsingOperation(frame, NSCompositeDestinationOver);
-
-  [FramedBrowserWindow drawWindowThemeInDirtyRect:frame
-                                          forView:self
-                                           bounds:[self bounds]
-                             forceBlackBackground:NO];
-}
-
-@end
-
 @interface BrowserWindowFullscreenTransition ()
     <CAAnimationDelegate, CALayerDelegate> {
   // Flag to keep track of whether we are entering or exiting fullscreen.
   BOOL isEnteringFullscreen_;
 
   // The window which is undergoing the fullscreen transition.
   base::scoped_nsobject<FramedBrowserWindow> primaryWindow_;
 
   // The window which is undergoing the fullscreen transition.
   BrowserWindowController* controller_; // weak
@@ skipping 26 matching lines @@
   BOOL changingPrimaryWindowSize_;
 
   // The frame of the |primaryWindow_| before it starts the transition.
   NSRect initialFrame_;
 
   // The frame that |primaryWindow_| is expected to have after the transition
   // is finished.
   NSRect finalFrame_;
 
   // This view draws the tabstrip background during the exit animation.
-  base::scoped_nsobject<FullscreenTabStripBackgroundView>
+  base::scoped_nsobject<TabStripBackgroundView>
       fullscreenTabStripBackgroundView_;
 
   // Locks and unlocks the FullSizeContentWindow.
   std::unique_ptr<FrameAndStyleLock> lock_;
 
   // Flag that indicates if the animation was completed. Sets to true at the
   // end of the animation.
   BOOL completedTransition_;
 }
 
@@ skipping 207 matching lines @@
     initialRootAnchorPoint_ = root.anchorPoint;
 
     NSPoint contentViewOrigin =
         [self pointRelativeToCurrentScreen:finalFrame_.origin];
     NSRect relativeContentFinalFrame =
         NSMakeRect(contentViewOrigin.x, contentViewOrigin.y,
                    finalFrame_.size.width, finalFrame_.size.height);
     [primaryWindow_ forceContentViewFrame:relativeContentFinalFrame];
 
     fullscreenTabStripBackgroundView_.reset(
-        [[FullscreenTabStripBackgroundView alloc]
-            initWithFrame:finalFrame_
-               background:primaryWindowInitialBackgroundColor_]);
+        [[TabStripBackgroundView alloc] initWithFrame:finalFrame_]);
     [fullscreenTabStripBackgroundView_ setFrameOrigin:NSZeroPoint];
     [contentView addSubview:fullscreenTabStripBackgroundView_.get()
                  positioned:NSWindowBelow
                  relativeTo:nil];
 
     [tabStripBackgroundView_ setHidden:YES];
 
     // Set anchor point to be the center of the content view
     CGFloat anchorPointX =
         NSMidX(relativeContentFinalFrame) / NSWidth(initialFrame_);
@@ skipping 172 matching lines @@
   return [[[window contentView] superview] layer];
 }
 
 - (NSPoint)pointRelativeToCurrentScreen:(NSPoint)point {
   NSRect screenFrame = [[primaryWindow_ screen] frame];
   return NSMakePoint(point.x - screenFrame.origin.x,
                      point.y - screenFrame.origin.y);
 }
 
 @end