Fix compile warnings in Panel.xib

chrome/browser/ui/panels/panel_titlebar_view_cocoa.mm

 // 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.
 
 #import "chrome/browser/ui/panels/panel_titlebar_view_cocoa.h"
 
 #include <Carbon/Carbon.h>  // kVK_Escape
 #import <Cocoa/Cocoa.h>
 
 #include "base/logging.h"
 #include "base/mac/scoped_nsautorelease_pool.h"
 #include "chrome/browser/themes/theme_service.h"
 #import "chrome/browser/ui/cocoa/hover_image_button.h"
 #import "chrome/browser/ui/cocoa/nsview_additions.h"
 #import "chrome/browser/ui/cocoa/themed_window.h"
 #import "chrome/browser/ui/cocoa/tracking_area.h"
 #import "chrome/browser/ui/panels/panel_window_controller_cocoa.h"
 #include "grit/theme_resources_standard.h"
 #import "third_party/GTM/AppKit/GTMNSBezierPath+RoundRect.h"
 #import "third_party/GTM/AppKit/GTMNSColor+Luminance.h"
 #include "ui/gfx/mac/nsimage_cache.h"
 #include "ui/gfx/scoped_ns_graphics_context_save_gstate_mac.h"
 
-const int kRoundedCornerSize = 3;
 const int kButtonPadding = 8;
 const int kIconAndTextPadding = 5;
 
 // Distance that user needs to move the mouse in order to start the drag.
 // Threshold is needed to differentiate drags from attempts to click the
 // titlebar with a twitch of the mouse pointer.
 const int kDragThreshold = 3;
 
 // 'Glint' is a speck of light that moves across the titlebar to attract a bit
 // more attention using movement in addition to color of the titlebar.
@@ skipping 245 matching lines @@
   // Initialize the settings button.
   NSImage* image = gfx::GetCachedImageWithName(@"balloon_wrench.pdf");
   [settingsButton_ setDefaultImage:image];
   [settingsButton_ setDefaultOpacity:0.6];
   [settingsButton_ setHoverImage:image];
   [settingsButton_ setHoverOpacity:0.9];
   [settingsButton_ setPressedImage:image];
   [settingsButton_ setPressedOpacity:1.0];
   [[settingsButton_ cell] setHighlightsBy:NSNoCellMask];
   [self checkMouseAndUpdateSettingsButtonVisibility];
+  [self updateWrenchLayout];
 
   [self updateCloseButtonLayout];
 
   // Set autoresizing behavior: glued to edges on left, top and right.
   [self setAutoresizingMask:(NSViewMinYMargin | NSViewWidthSizable)];
 
   [[NSNotificationCenter defaultCenter]
       addObserver:self
          selector:@selector(didChangeTheme:)
              name:kBrowserThemeDidChangeNotification
@@ skipping 27 matching lines @@
     [self addSubview:icon_ positioned:NSWindowBelow relativeTo:overlay_];
     [icon_ setWantsLayer:YES];
   }
   [self updateIconAndTitleLayout];
 }
 
 - (NSView*)icon {
   return icon_;
 }
 
+- (void)updateWrenchLayout {
+  NSRect bounds = [self bounds];
+  NSRect settingsButtonFrame = [settingsButtonWrapper_ frame];
+  settingsButtonFrame.origin.x = NSWidth(bounds) - NSWidth(settingsButtonFrame);
+  settingsButtonFrame.origin.y =
+      (NSHeight(bounds) - NSHeight(settingsButtonFrame)) / 2;
+  [settingsButtonWrapper_ setFrame:settingsButtonFrame];
+}
+
 - (void)updateCloseButtonLayout {
   NSRect buttonFrame = [closeButton_ frame];
   NSRect bounds = [self bounds];
 
   buttonFrame.origin.x = kButtonPadding;
   // Lower Close Button's frame 1 px to avoid it 'peeking' in MINIMIZED mode.
   buttonFrame.origin.y = (NSHeight(bounds) - NSHeight(buttonFrame)) / 2 - 1;
   [closeButton_ setFrame:buttonFrame];
   if (!closeButtonTrackingArea_.get()) {
     closeButtonTrackingArea_.reset(
         [[CrTrackingArea alloc] initWithRect:[closeButton_ bounds]
                                      options:(NSTrackingMouseEnteredAndExited |
                                               NSTrackingActiveAlways)
                                 proxiedOwner:self
                                     userInfo:nil]);
     NSWindow* panelWindow = [self window];
     [closeButtonTrackingArea_.get() clearOwnerWhenWindowWillClose:panelWindow];
     [closeButton_ addTrackingArea:closeButtonTrackingArea_.get()];
   }
 }
 
 - (void)updateIconAndTitleLayout {
   NSRect closeButtonFrame = [closeButton_ frame];
   NSRect iconFrame = [icon_ frame];
+  // NSTextField for title_ is set to Layout:Truncate, LineBreaks:TruncateTail
+  // in Interface Builder so it is sized in a single-line mode.
   [title_ sizeToFit];
   NSRect titleFrame = [title_ frame];
   NSRect settingsButtonFrame = [settingsButtonWrapper_ frame];
   NSRect bounds = [self bounds];
 
   // Place the icon and title at the center of the titlebar.
   int iconWidthWithPadding = NSWidth(iconFrame) + kIconAndTextPadding;
   int titleWidth = NSWidth(titleFrame);
   int availableWidth = NSWidth(bounds) - kButtonPadding * 4 -
       NSWidth(closeButtonFrame) - NSWidth(settingsButtonFrame);
@@ skipping 25 matching lines @@
 
 - (void)mouseEntered:(NSEvent*)event {
   [[closeButton_ cell] setHighlighted:YES];
 }
 
 - (void)mouseExited:(NSEvent*)event {
   [[closeButton_ cell] setHighlighted:NO];
 }
 
 - (void)didChangeFrame:(NSNotification*)notification {
+  [self updateWrenchLayout];
   [self updateIconAndTitleLayout];
 }
 
 - (void)didChangeTheme:(NSNotification*)notification {
   [self setNeedsDisplay:YES];
 }
 
 - (void)didChangeMainWindow:(NSNotification*)notification {
   [self setNeedsDisplay:YES];
   [self checkMouseAndUpdateSettingsButtonVisibility];
@@ skipping 223 matching lines @@
 }
 
 - (void)checkMouseAndUpdateSettingsButtonVisibility {
   BOOL mouseOverWindow = NSPointInRect([NSEvent mouseLocation],
                                        [[self window] frame]);
   [self updateSettingsButtonVisibility:mouseOverWindow];
 }
 
 @end