[Mac] Implement LocationBarViewMac::UpdateLocationBarVisibility()

chrome/browser/ui/cocoa/browser_window_layout.mm

Index: chrome/browser/ui/cocoa/browser_window_layout.mm
diff --git a/chrome/browser/ui/cocoa/browser_window_layout.mm b/chrome/browser/ui/cocoa/browser_window_layout.mm
index a0278250fcc469912e596d36096f5af5a6a50d76..6bee3330e9dfc4cebfa1a0864c3118344cef9d1f 100644
--- a/chrome/browser/ui/cocoa/browser_window_layout.mm
+++ b/chrome/browser/ui/cocoa/browser_window_layout.mm
@@ -124,6 +124,10 @@ const CGFloat kLocationBarRightOffset = 35;
   parameters_.avatarLineWidth = avatarLineWidth;
 }
 
+- (void)setToolbarHidden:(BOOL)toolbarHidden {
+  parameters_.toolbarHidden = toolbarHidden;
+}
+
 - (void)setHasToolbar:(BOOL)hasToolbar {
   parameters_.hasToolbar = hasToolbar;
 }
@@ -271,17 +275,19 @@ const CGFloat kLocationBarRightOffset = 35;
   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.