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 0ccfe130f00ec3b6c75cd8ee04d5a2777e1fd00c..653829457d58bf92057cc36aa8a289703d8b0577 100644
--- a/net/url_request/static_http_user_agent_settings.h
+++ b/net/url_request/static_http_user_agent_settings.h
@@ -26,13 +26,17 @@ 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_;
 
   DISALLOW_COPY_AND_ASSIGN(StaticHttpUserAgentSettings);
 };
diff --git a/services/network/network_context.cc b/services/network/network_context.cc
index daec1d32ea084aadc86a455daaf5466a5a274554..c07b3ac39d4e5ee94dbb10b281cc95c32683f213 100644
--- a/services/network/network_context.cc
+++ b/services/network/network_context.cc
@@ -1104,6 +1104,13 @@ void NetworkContext::SetNetworkConditions(
                                       std::move(network_conditions));
 }
 
+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 748e6219ad44baa100ebb0f9620e5079caae75cc..96527e9ef3ba3251b21f52a23e6b8febb5c474ce 100644
--- a/services/network/network_context.h
+++ b/services/network/network_context.h
@@ -248,6 +248,7 @@ class COMPONENT_EXPORT(NETWORK_SERVICE) NetworkContext
   void CloseIdleConnections(CloseIdleConnectionsCallback callback) override;
   void SetNetworkConditions(const base::UnguessableToken& throttling_profile_id,
                             mojom::NetworkConditionsPtr conditions) 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_ASH)
diff --git a/services/network/public/mojom/network_context.mojom b/services/network/public/mojom/network_context.mojom
index b0065647d08f3208446d0c996276d6394d80409e..ec89eeb056d686f8cab6003e456973ff8649df23 100644
--- a/services/network/public/mojom/network_context.mojom
+++ b/services/network/public/mojom/network_context.mojom
@@ -1074,6 +1074,9 @@ interface NetworkContext {
   SetNetworkConditions(mojo_base.mojom.UnguessableToken throttling_profile_id,
                        NetworkConditions? conditions);
 
+  // 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 ff87a952a866b490aadc732786fcb6e54e03b0d6..a8005f98f5a619df03193a9e132a12c9a6c82d6f 100644
--- a/services/network/test/test_network_context.h
+++ b/services/network/test/test_network_context.h
@@ -110,6 +110,7 @@ class TestNetworkContext : public mojom::NetworkContext {
   void CloseIdleConnections(CloseIdleConnectionsCallback callback) override {}
   void SetNetworkConditions(const base::UnguessableToken& throttling_profile_id,
                             mojom::NetworkConditionsPtr conditions) 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_ASH)