[Mac] Implement LocationBarViewMac::UpdateLocationBarVisibility()

chrome/browser/ui/cocoa/browser_window_layout.mm

 // Copyright 2014 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_layout.h"
 
 #include <math.h>
 #include <string.h>
 
 #include "base/logging.h"
@@ skipping 106 matching lines @@
 }
 
 - (void)setAvatarSize:(NSSize)avatarSize {
   parameters_.avatarSize = avatarSize;
 }
 
 - (void)setAvatarLineWidth:(CGFloat)avatarLineWidth {
   parameters_.avatarLineWidth = avatarLineWidth;
 }
 
+- (void)setToolbarHidden:(BOOL)toolbarHidden {
+  parameters_.toolbarHidden = toolbarHidden;
+}
+
 - (void)setHasToolbar:(BOOL)hasToolbar {
   parameters_.hasToolbar = hasToolbar;
 }
 
 - (void)setHasLocationBar:(BOOL)hasLocationBar {
   parameters_.hasLocationBar = hasLocationBar;
 }
 
 - (void)setToolbarHeight:(CGFloat)toolbarHeight {
   parameters_.toolbarHeight = toolbarHeight;
@@ skipping 127 matching lines @@
   chrome::LayoutParameters parameters = parameters_;
   CGFloat maxY = maxY_;
 
   // Sanity-check |maxY|.
   DCHECK_GE(maxY, 0);
   DCHECK_LE(maxY, parameters_.contentViewSize.height + fullscreenYOffset_);
 
   CGFloat width = parameters_.contentViewSize.width;
 
   // Lay out the toolbar.
-  if (parameters.hasToolbar) {
-    output_.toolbarFrame = NSMakeRect(
-        0, maxY - parameters_.toolbarHeight, width, parameters_.toolbarHeight);
-    maxY = NSMinY(output_.toolbarFrame);
-  } else if (parameters_.hasLocationBar) {
-    CGFloat toolbarX = kLocBarLeftRightInset;
-    CGFloat toolbarY = maxY - parameters_.toolbarHeight - kLocBarTopInset;
-    CGFloat toolbarWidth = width - 2 * kLocBarLeftRightInset;
-    output_.toolbarFrame =
-        NSMakeRect(toolbarX, toolbarY, toolbarWidth, parameters_.toolbarHeight);
-    maxY = NSMinY(output_.toolbarFrame) - kLocBarBottomInset;
+  if (!parameters.toolbarHidden) {
+    if (parameters.hasToolbar) {
+      output_.toolbarFrame = NSMakeRect(0, maxY - parameters_.toolbarHeight,
+                                        width, parameters_.toolbarHeight);
+      maxY = NSMinY(output_.toolbarFrame);
+    } else if (parameters_.hasLocationBar) {
+      CGFloat toolbarX = kLocBarLeftRightInset;
+      CGFloat toolbarY = maxY - parameters_.toolbarHeight - kLocBarTopInset;
+      CGFloat toolbarWidth = width - 2 * kLocBarLeftRightInset;
+      output_.toolbarFrame = NSMakeRect(toolbarX, toolbarY, toolbarWidth,
+                                        parameters_.toolbarHeight);
+      maxY = NSMinY(output_.toolbarFrame) - kLocBarBottomInset;
+    }
   }
 
   // Lay out the bookmark bar, if it's above the info bar.
   if (!parameters.bookmarkBarHidden &&
       !parameters.placeBookmarkBarBelowInfoBar) {
     output_.bookmarkFrame = NSMakeRect(0,
                                        maxY - parameters.bookmarkBarHeight,
                                        width,
                                        parameters.bookmarkBarHeight);
     maxY = NSMinY(output_.bookmarkFrame);
@@ skipping 99 matching lines @@
 
 @end
 
 @implementation BrowserWindowLayout (ExposedForTesting)
 
 - (void)setOSYosemiteOrLater:(BOOL)osYosemiteOrLater {
   parameters_.isOSYosemiteOrLater = osYosemiteOrLater;
 }
 
 @end