electron/patches/chromium/expose_setuseragent_on_networkcontext.patch

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jeremy Apthorp <nornagon@nornagon.net>
Date: Wed, 28 Aug 2019 12:21:25 -0700
Subject: expose SetUserAgent on NetworkContext

Applying
https://chromium-review.googlesource.com/c/chromium/src/+/1585083 before
it's merged. There may end up being a better way of doing this, or the
patch may be merged upstream, at which point this patch should be
removed.

diff --git a/net/url_request/static_http_user_agent_settings.h b/net/url_request/static_http_user_agent_settings.h
index 0ab8187b0db8ae6db46d81738f653a2bc4c566f6..de3d55e85c22317f7f9375eb94d0d5d41b0dbd3b 100644
--- a/net/url_request/static_http_user_agent_settings.h
+++ b/net/url_request/static_http_user_agent_settings.h
@@ -30,13 +30,17 @@ class NET_EXPORT StaticHttpUserAgentSettings : public HttpUserAgentSettings {
     accept_language_ = new_accept_language;
   }
 
+  void set_user_agent(const std::string& new_user_agent) {
+    user_agent_ = new_user_agent;
+  }
+
   // HttpUserAgentSettings implementation
   std::string GetAcceptLanguage() const override;
   std::string GetUserAgent() const override;
 
  private:
   std::string accept_language_;
-  const std::string user_agent_;
+  std::string user_agent_;
 };
 
 }  // namespace net
diff --git a/services/network/network_context.cc b/services/network/network_context.cc
index 5193a50914f493c2e60787914ee064ddff81c930..0ea9555487f6e63de95053a6e1124369770a5d09 100644
--- a/services/network/network_context.cc
+++ b/services/network/network_context.cc
@@ -1906,6 +1906,13 @@ void NetworkContext::EnableDurableMessageCollector(
   it->second->AddReceiver(std::move(receiver));
 }
 
+void NetworkContext::SetUserAgent(const std::string& new_user_agent) {
+  // This may only be called on NetworkContexts created with a constructor that
+  // calls ApplyContextParamsToBuilder.
+  DCHECK(user_agent_settings_);
+  user_agent_settings_->set_user_agent(new_user_agent);
+}
+
 void NetworkContext::SetAcceptLanguage(const std::string& new_accept_language) {
   // This may only be called on NetworkContexts created with the constructor
   // that calls MakeURLRequestContext().
diff --git a/services/network/network_context.h b/services/network/network_context.h
index 8b219bd72cef016eae66106bfe39024c42438a2e..2625489c2c06da5e6068450fffd38ef5951cd005 100644
--- a/services/network/network_context.h
+++ b/services/network/network_context.h
@@ -327,6 +327,7 @@ class COMPONENT_EXPORT(NETWORK_SERVICE) NetworkContext
       const base::UnguessableToken& throttling_profile_id,
       mojo::PendingReceiver<network::mojom::DurableMessageCollector> receiver)
       override;
+  void SetUserAgent(const std::string& new_user_agent) override;
   void SetAcceptLanguage(const std::string& new_accept_language) override;
   void SetEnableReferrers(bool enable_referrers) override;
 #if BUILDFLAG(IS_CT_SUPPORTED)
diff --git a/services/network/public/mojom/network_context.mojom b/services/network/public/mojom/network_context.mojom
index 8a94d2a4069baf617c9d1d9d6a36114694f2fc9d..fcb6654e449a5ba5bd083be4c912f4a496184dd4 100644
--- a/services/network/public/mojom/network_context.mojom
+++ b/services/network/public/mojom/network_context.mojom
@@ -1297,6 +1297,9 @@ interface NetworkContext {
       mojo_base.mojom.UnguessableToken throttling_profile_id,
       pending_receiver<DurableMessageCollector> receiver);
 
+  // Updates the user agent to be used for requests.
+  SetUserAgent(string new_user_agent);
+
   // Updates the Accept-Language header to be used for requests.
   SetAcceptLanguage(string new_accept_language);
 
diff --git a/services/network/test/test_network_context.h b/services/network/test/test_network_context.h
index d451ca923203e514743510ea9a696d54ebb1ea16..85b9465725fdc4a87610757bfa0b947c4b60218c 100644
--- a/services/network/test/test_network_context.h
+++ b/services/network/test/test_network_context.h
@@ -158,6 +158,7 @@ class TestNetworkContext : public mojom::NetworkContext {
   void SetNetworkConditions(
       const base::UnguessableToken& throttling_profile_id,
       std::vector<mojom::MatchedNetworkConditionsPtr>) override {}
+  void SetUserAgent(const std::string& new_user_agent) override {}
   void SetAcceptLanguage(const std::string& new_accept_language) override {}
   void SetEnableReferrers(bool enable_referrers) override {}
 #if BUILDFLAG(IS_CT_SUPPORTED)