[ios clean] Fixes Toolbar constraints.

ios/clean/chrome/browser/ui/toolbar/toolbar_button+factory.mm

Index: ios/clean/chrome/browser/ui/toolbar/toolbar_button+factory.mm
diff --git a/ios/clean/chrome/browser/ui/toolbar/toolbar_button+factory.mm b/ios/clean/chrome/browser/ui/toolbar/toolbar_button+factory.mm
index 076c0ab39c4998fd8abbd73f48adfcfc74a048a9..4676ee6307cd0db42dbc61c3029726b50ef64bb2 100644
--- a/ios/clean/chrome/browser/ui/toolbar/toolbar_button+factory.mm
+++ b/ios/clean/chrome/browser/ui/toolbar/toolbar_button+factory.mm
@@ -12,11 +12,6 @@
 #error "This file requires ARC support."
 #endif
 
-namespace {
-// ToolbarButton fixed width.
-CGFloat kToolbarButtonWidth = 42.0f;
-}  // namespace
-
 @implementation ToolbarButton (Factory)
 
 #pragma mark - ToolbarButton Setup
@@ -31,8 +26,6 @@ CGFloat kToolbarButtonWidth = 42.0f;
                      imageForDisabledState:
                          NativeReversableImage(
                              IDR_IOS_TOOLBAR_LIGHT_BACK_DISABLED, YES)];
-  [backButton.widthAnchor constraintEqualToConstant:kToolbarButtonWidth]
-      .active = YES;
   return backButton;
 }
 
@@ -47,8 +40,6 @@ CGFloat kToolbarButtonWidth = 42.0f;
                      imageForDisabledState:
                          NativeReversableImage(
                              IDR_IOS_TOOLBAR_LIGHT_FORWARD_DISABLED, YES)];
-  [forwardButton.widthAnchor constraintEqualToConstant:kToolbarButtonWidth]
-      .active = YES;
   return forwardButton;
 }
 
@@ -58,9 +49,6 @@ CGFloat kToolbarButtonWidth = 42.0f;
                 [UIImage imageNamed:@"tabswitcher_open_tabs"]
                         imageForHighlightedState:nil
                            imageForDisabledState:nil];
-  [tabSwitcherStripButton.widthAnchor
-      constraintEqualToConstant:kToolbarButtonWidth]
-      .active = YES;
   return tabSwitcherStripButton;
 }
 
@@ -70,9 +58,6 @@ CGFloat kToolbarButtonWidth = 42.0f;
                 [UIImage imageNamed:@"tabswitcher_tab_switcher_button"]
                         imageForHighlightedState:nil
                            imageForDisabledState:nil];
-  [tabSwitcherGridButton.widthAnchor
-      constraintEqualToConstant:kToolbarButtonWidth]
-      .active = YES;
   return tabSwitcherGridButton;
 }
 
@@ -83,8 +68,6 @@ CGFloat kToolbarButtonWidth = 42.0f;
                   imageForHighlightedState:nil
                      imageForDisabledState:nil];
   [toolsMenuButton setImageEdgeInsets:UIEdgeInsetsMakeDirected(0, -3, 0, 0)];
-  [toolsMenuButton.widthAnchor constraintEqualToConstant:kToolbarButtonWidth]
-      .active = YES;
   return toolsMenuButton;
 }
 
@@ -96,8 +79,6 @@ CGFloat kToolbarButtonWidth = 42.0f;
                       NativeImage(IDR_IOS_TOOLBAR_LIGHT_SHARE_PRESSED)
                      imageForDisabledState:
                          NativeImage(IDR_IOS_TOOLBAR_LIGHT_SHARE_DISABLED)];
-  [shareButton.widthAnchor constraintEqualToConstant:kToolbarButtonWidth]
-      .active = YES;
   return shareButton;
 }
 
@@ -112,8 +93,6 @@ CGFloat kToolbarButtonWidth = 42.0f;
                      imageForDisabledState:
                          NativeReversableImage(
                              IDR_IOS_TOOLBAR_LIGHT_RELOAD_DISABLED, YES)];
-  [reloadButton.widthAnchor constraintEqualToConstant:kToolbarButtonWidth]
-      .active = YES;
   return reloadButton;
 }
 
@@ -125,8 +104,6 @@ CGFloat kToolbarButtonWidth = 42.0f;
                       NativeImage(IDR_IOS_TOOLBAR_LIGHT_STOP_PRESSED)
                      imageForDisabledState:
                          NativeImage(IDR_IOS_TOOLBAR_LIGHT_STOP_DISABLED)];
-  [stopButton.widthAnchor constraintEqualToConstant:kToolbarButtonWidth]
-      .active = YES;
   return stopButton;
 }