Show Google icon for Google search in touchbar

I accidentally deleted the else which led to always using the
search icon.

Bug: 1066568
Change-Id: I872989d4f0ecb66be1b1f967a092caa58c44ed7e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2130250
Commit-Queue: Jochen Eisinger <jochen@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Reviewed-by: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#755055}

chrome/browser/ui/cocoa/touchbar/browser_window_default_touch_bar.mm

@@ -501,6 +501,7 @@ class API_AVAILABLE(macos(10.12.2)) TouchBarNotificationBridge
         gfx::CreateVectorIcon(kGoogleGLogoIcon, kTouchBarIconSize,
                               gfx::kPlaceholderColor),
         base::mac::GetSRGBColorSpace());
+  } else {
     image = CreateNSImageFromIcon(vector_icons::kSearchIcon);
   }
 #endif