diff --git chrome/browser/ui/cocoa/autofill/autofill_popup_view_cocoa.h chrome/browser/ui/cocoa/autofill/autofill_popup_view_cocoa.h
index 18755d494cf3..3605076be5d1 100644
--- chrome/browser/ui/cocoa/autofill/autofill_popup_view_cocoa.h
+++ chrome/browser/ui/cocoa/autofill/autofill_popup_view_cocoa.h
@@ -8,6 +8,7 @@
 #import <Cocoa/Cocoa.h>
 #include <stddef.h>
 
+#include "base/mac/availability.h"
 #import "chrome/browser/ui/cocoa/autofill/autofill_popup_base_view_cocoa.h"
 #import "ui/base/cocoa/touch_bar_forward_declarations.h"
 
@@ -38,7 +39,7 @@ class AutofillPopupViewCocoaDelegate;
 - (void)invalidateRow:(NSInteger)row;
 
 // Creates and returns a touch bar if the popup is for credit cards.
-- (NSTouchBar*)makeTouchBar;
+- (NSTouchBar*)makeTouchBar API_AVAILABLE(macos(10.12.2));
 
 @end
 
diff --git chrome/browser/ui/cocoa/autofill/autofill_popup_view_cocoa.mm chrome/browser/ui/cocoa/autofill/autofill_popup_view_cocoa.mm
index 46733a165a31..2d71d4446a36 100644
--- chrome/browser/ui/cocoa/autofill/autofill_popup_view_cocoa.mm
+++ chrome/browser/ui/cocoa/autofill/autofill_popup_view_cocoa.mm
@@ -178,7 +178,8 @@ - (void)drawRect:(NSRect)dirtyRect {
 #pragma mark NSTouchBarDelegate implementation:
 
 - (NSTouchBarItem*)touchBar:(NSTouchBar*)touchBar
-      makeItemForIdentifier:(NSTouchBarItemIdentifier)identifier {
+      makeItemForIdentifier:(NSTouchBarItemIdentifier)identifier
+    API_AVAILABLE(macos(10.12.2)) {
   if (![identifier hasSuffix:kCreditCardItemsTouchId])
     return nil;
 
diff --git chrome/browser/ui/cocoa/autofill/autofill_popup_view_cocoa_unittest.mm chrome/browser/ui/cocoa/autofill/autofill_popup_view_cocoa_unittest.mm
index aebb22367472..2e6d6be61b5f 100644
--- chrome/browser/ui/cocoa/autofill/autofill_popup_view_cocoa_unittest.mm
+++ chrome/browser/ui/cocoa/autofill/autofill_popup_view_cocoa_unittest.mm
@@ -110,31 +110,27 @@ void SetLineCount(int line_count) {
 
 // Tests to check if the touch bar shows up properly.
 TEST_F(AutofillPopupViewCocoaUnitTest, CreditCardAutofillTouchBar) {
-  if (!base::mac::IsAtLeastOS10_12())
-    return;
-
-  // Touch bar shouldn't appear if the popup is not for credit cards.
-  autofill_popup_controller_.SetIsCreditCardField(false);
-  EXPECT_FALSE([view_ makeTouchBar]);
-
-  // Touch bar shouldn't appear if the popup is empty.
-  autofill_popup_controller_.SetIsCreditCardField(true);
-  SetLineCount(0);
-  EXPECT_FALSE([view_ makeTouchBar]);
-
-  autofill_popup_controller_.SetIsCreditCardField(true);
-  SetLineCount(3);
-  NSTouchBar* touch_bar = [view_ makeTouchBar];
-  EXPECT_TRUE(touch_bar);
-  EXPECT_TRUE([[touch_bar customizationIdentifier]
-      isEqual:ui::GetTouchBarId(kCreditCardAutofillTouchBarId)]);
+  if (@available(macOS 10.12.2, *)) {
+    // Touch bar shouldn't appear if the popup is not for credit cards.
+    autofill_popup_controller_.SetIsCreditCardField(false);
+    EXPECT_FALSE([view_ makeTouchBar]);
+
+    // Touch bar shouldn't appear if the popup is empty.
+    autofill_popup_controller_.SetIsCreditCardField(true);
+    SetLineCount(0);
+    EXPECT_FALSE([view_ makeTouchBar]);
+
+    autofill_popup_controller_.SetIsCreditCardField(true);
+    SetLineCount(3);
+    NSTouchBar* touch_bar = [view_ makeTouchBar];
+    EXPECT_TRUE(touch_bar);
+    EXPECT_TRUE([[touch_bar customizationIdentifier]
+        isEqual:ui::GetTouchBarId(kCreditCardAutofillTouchBarId)]);
+  }
 }
 
-// Tests that the touch bar logs into the histogram correctly.
+// Tests that the touch bar histogram is logged correctly.
 TEST_F(AutofillPopupViewCocoaUnitTest, CreditCardAutofillTouchBarMetric) {
-  if (!base::mac::IsAtLeastOS10_12())
-    return;
-
   {
     base::HistogramTester histogram_tester;
     [view_ acceptCreditCard:nil];
diff --git chrome/browser/ui/cocoa/tab_contents/tab_contents_controller.mm chrome/browser/ui/cocoa/tab_contents/tab_contents_controller.mm
index 5378abc9cc2a..f0e7d9e8c86c 100644
--- chrome/browser/ui/cocoa/tab_contents/tab_contents_controller.mm
+++ chrome/browser/ui/cocoa/tab_contents/tab_contents_controller.mm
@@ -235,7 +235,10 @@ - (void)loadView {
 }
 
 - (NSTouchBar*)makeTouchBar {
-  return [touchBarController_ makeTouchBar];
+  if (@available(macOS 10.12.2, *))
+    return [touchBarController_ makeTouchBar];
+
+  return nil;
 }
 
 - (void)ensureContentsVisibleInSuperview:(NSView*)superview {
diff --git chrome/browser/ui/cocoa/web_textfield_touch_bar_controller.h chrome/browser/ui/cocoa/web_textfield_touch_bar_controller.h
index c3dc305aa48e..d50a2689d9de 100644
--- chrome/browser/ui/cocoa/web_textfield_touch_bar_controller.h
+++ chrome/browser/ui/cocoa/web_textfield_touch_bar_controller.h
@@ -28,7 +28,7 @@
 - (void)showCreditCardAutofillForPopupView:(AutofillPopupViewCocoa*)popupView;
 
 // Creates and returns a touch bar.
-- (NSTouchBar*)makeTouchBar;
+- (NSTouchBar*)makeTouchBar API_AVAILABLE(macos(10.12.2));
 
 @end