diff -up chromium-88.0.4324.11/chrome/browser/about_flags.cc.accel-mjpeg chromium-88.0.4324.11/chrome/browser/about_flags.cc
--- chromium-88.0.4324.11/chrome/browser/about_flags.cc.accel-mjpeg	2020-11-19 20:51:19.000000000 -0500
+++ chromium-88.0.4324.11/chrome/browser/about_flags.cc	2020-11-30 16:14:32.393366384 -0500
@@ -3309,12 +3309,12 @@ const FeatureEntry kFeatureEntries[] = {
      flag_descriptions::kWebXrForceRuntimeDescription, kOsDesktop,
      MULTI_VALUE_TYPE(kWebXrForceRuntimeChoices)},
 #endif  // ENABLE_VR
-#if defined(OS_CHROMEOS)
+#if defined(OS_CHROMEOS) || defined(OS_LINUX)
     {"disable-accelerated-mjpeg-decode",
      flag_descriptions::kAcceleratedMjpegDecodeName,
-     flag_descriptions::kAcceleratedMjpegDecodeDescription, kOsCrOS,
+     flag_descriptions::kAcceleratedMjpegDecodeDescription, kOsCrOS | kOsLinux,
      SINGLE_DISABLE_VALUE_TYPE(switches::kDisableAcceleratedMjpegDecode)},
-#endif  // OS_CHROMEOS
+#endif  // OS_CHROMEOS || OS_LINUX
     {"system-keyboard-lock", flag_descriptions::kSystemKeyboardLockName,
      flag_descriptions::kSystemKeyboardLockDescription, kOsDesktop,
      FEATURE_VALUE_TYPE(features::kSystemKeyboardLock)},
diff -up chromium-88.0.4324.11/chrome/browser/flag_descriptions.cc.accel-mjpeg chromium-88.0.4324.11/chrome/browser/flag_descriptions.cc
--- chromium-88.0.4324.11/chrome/browser/flag_descriptions.cc.accel-mjpeg	2020-11-30 16:14:32.393366384 -0500
+++ chromium-88.0.4324.11/chrome/browser/flag_descriptions.cc	2020-11-30 16:20:50.174195910 -0500
@@ -3572,9 +3572,9 @@ const char kVideoToolboxVp9DecodingDescr
 
 #endif
 
-// Chrome OS -------------------------------------------------------------------
+// Chrome OS and Linux ---------------------------------------------------------
 
-#if defined(OS_CHROMEOS)
+#if defined(OS_CHROMEOS) || (defined(OS_LINUX) && !defined(OS_ANDROID)) 
 
 const char kAcceleratedMjpegDecodeName[] =
     "Hardware-accelerated mjpeg decode for captured frame";
@@ -3582,6 +3582,12 @@ const char kAcceleratedMjpegDecodeDescri
     "Enable hardware-accelerated mjpeg decode for captured frame where "
     "available.";
 
+#endif
+
+// Chrome OS -------------------------------------------------------------------
+
+#if defined(OS_CHROMEOS)
+
 const char kAllowDisableMouseAccelerationName[] =
     "Allow disabling mouse acceleration";
 const char kAllowDisableMouseAccelerationDescription[] =
diff -up chromium-88.0.4324.11/chrome/browser/flag_descriptions.h.accel-mjpeg chromium-88.0.4324.11/chrome/browser/flag_descriptions.h
--- chromium-88.0.4324.11/chrome/browser/flag_descriptions.h.accel-mjpeg	2020-11-30 16:14:32.394366389 -0500
+++ chromium-88.0.4324.11/chrome/browser/flag_descriptions.h	2020-11-30 16:22:13.831601058 -0500
@@ -2068,13 +2068,19 @@ extern const char kVideoToolboxVp9Decodi
 
 #endif  // defined(OS_MAC)
 
-// Chrome OS ------------------------------------------------------------------
+// Chrome OS and Linux --------------------------------------------------------
 
-#if defined(OS_CHROMEOS)
+#if defined(OS_CHROMEOS) || (defined(OS_LINUX) && !defined(OS_ANDROID))
 
 extern const char kAcceleratedMjpegDecodeName[];
 extern const char kAcceleratedMjpegDecodeDescription[];
 
+#endif
+
+// Chrome OS ------------------------------------------------------------------
+
+#if defined(OS_CHROMEOS)
+
 extern const char kAllowDisableMouseAccelerationName[];
 extern const char kAllowDisableMouseAccelerationDescription[];