pulseaudio: Register as Brave instead of Chromium

When creating a new pulseaudio context, make the application name Brave
instead of Chromium.

Resolves brave/brave-browser#10919

chromium_src/media/audio/pulse/pulse_util.cc

@@ -0,0 +1,16 @@
+// Copyright (c) 2020 The Brave Authors
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this file,
+// you can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include "build/branding_buildflags.h"
+
+#if defined(OFFICIAL_BUILD)
+#undef BUILDFLAG_INTERNAL_GOOGLE_CHROME_BRANDING
+#define BUILDFLAG_INTERNAL_GOOGLE_CHROME_BRANDING() (1)
+#endif
+
+constexpr char kBrowserDisplayName[] = "brave-browser";
+#define PRODUCT_STRING "Brave"
+#include "../../../../../media/audio/pulse/pulse_util.cc"
+#undef PRODUCT_STRING

patches/media-audio-pulse-pulse_util.cc.patch

@@ -0,0 +1,13 @@
+diff --git a/media/audio/pulse/pulse_util.cc b/media/audio/pulse/pulse_util.cc
+index 085036bb967c6f6f81e9351d8c8a081950b3910a..bdae4cb734ed40b5c37fdb38e438e35430c55efb 100644
+--- a/media/audio/pulse/pulse_util.cc
++++ b/media/audio/pulse/pulse_util.cc
+@@ -35,7 +35,7 @@ namespace {
+ #if BUILDFLAG(GOOGLE_CHROME_BRANDING)
+ constexpr char kBrowserDisplayName[] = "google-chrome";
+ #define PRODUCT_STRING "Google Chrome"
+-#else
++#elif 0
+ constexpr char kBrowserDisplayName[] = "chromium-browser";
+ #define PRODUCT_STRING "Chromium"
+ #endif