Fix broken youtube playback

Equivalent to an unmerged PR [1], and should fix
a youtube playback issue [2].

[1] ungoogled-software/ungoogled-chromium#3217
[2] ungoogled-software/ungoogled-chromium#3012

Author: berkley4

debian/patches/series.debian

@@ -84,6 +84,7 @@ various/fixes/enterprise-buildflags.patch
 various/fixes/InkDropHost-crash.patch
 various/fixes/shim-fix-for-official-builds.patch
 various/fixes/silence-some-error-log-messages.patch
+various/fixes/spoof-webgl-renderer-info.patch
 various/fixes/swiftshader-build.patch
 various/fixes/template-correction.patch
 various/fixes/unbundle-script-dh-clean-interoperabilty.patch

debian/patches/various/fixes/spoof-webgl-renderer-info.patch

@@ -0,0 +1,22 @@
+--- a/third_party/blink/renderer/modules/webgl/webgl_rendering_context_base.cc
++++ b/third_party/blink/renderer/modules/webgl/webgl_rendering_context_base.cc
+@@ -3833,7 +3833,8 @@
+               pname, IdentifiabilityBenignStringToken(
+                          String(ContextGL()->GetString(GL_RENDERER))));
+         }
+-        return WebGLAny(script_state, String(""));
++        return WebGLAny(script_state,
++                        String("ANGLE (Google, Vulkan 1.3.0 (SwiftShader Device (Subzero) (0x0000C0DE)), SwiftShader driver-5.0.0)"));
+       }
+       SynthesizeGLError(
+           GL_INVALID_ENUM, "getParameter",
+@@ -3847,7 +3848,8 @@
+               pname, IdentifiabilityBenignStringToken(
+                          String(ContextGL()->GetString(GL_VENDOR))));
+         }
+-        return WebGLAny(script_state, String(""));
++        return WebGLAny(script_state,
++                        String("ANGLE (Google, Vulkan 1.3.0 (SwiftShader Device (Subzero) (0x0000C0DE)), SwiftShader driver-5.0.0)"));
+       }
+       SynthesizeGLError(
+           GL_INVALID_ENUM, "getParameter",