Update to Chromium version 82.0.4085.0 (#749737)

- Building on macOS now requires the 10.15 SDK. Xcode 11.3 is recommended as
  Xcode 11.4 is not currently supported (see https://crbug.com/1065146).
- Jumbo build configuration is no longer supported.

Chromium is skipping the M82 release and consequently no CEF 4085 branch will
be created. For details on the Chromium decision see
https://groups.google.com/a/chromium.org/d/msg/chromium-dev/Vn7uzglqLz0/JItlSrZxBAAJ

patch/patches/services_network_2718.patch

@@ -1,8 +1,8 @@
 diff --git content/browser/storage_partition_impl.cc content/browser/storage_partition_impl.cc
-index 5283293ac557..407de9a5e23a 100644
+index e76b66dace82..94a5f80a9b42 100644
 --- content/browser/storage_partition_impl.cc
 +++ content/browser/storage_partition_impl.cc
-@@ -669,10 +669,6 @@ class LoginHandlerDelegate {
+@@ -780,10 +780,6 @@ class LoginHandlerDelegate {
      }
  
      WebContents* web_contents = web_contents_getter_.Run();
@@ -13,7 +13,7 @@ index 5283293ac557..407de9a5e23a 100644
  
      // WeakPtr is not strictly necessary here due to OnRequestCancelled.
      creating_login_delegate_ = true;
-@@ -729,12 +725,6 @@ void OnAuthRequiredContinuation(
+@@ -840,12 +836,6 @@ void OnAuthRequiredContinuation(
      web_contents_getter =
          base::BindRepeating(GetWebContents, process_id, routing_id);
    }
@@ -26,7 +26,7 @@ index 5283293ac557..407de9a5e23a 100644
    new LoginHandlerDelegate(std::move(auth_challenge_responder),
                             std::move(web_contents_getter), auth_info,
                             is_request_for_main_frame, process_id, routing_id,
-@@ -2411,15 +2401,21 @@ void StoragePartitionImpl::GetQuotaSettings(
+@@ -2573,15 +2563,21 @@ void StoragePartitionImpl::GetQuotaSettings(
      return;
    }