media: Verify CDM Host files

content/browser/zygote_host/zygote_communication_linux.cc

Index: content/browser/zygote_host/zygote_communication_linux.cc
diff --git a/content/browser/zygote_host/zygote_communication_linux.cc b/content/browser/zygote_host/zygote_communication_linux.cc
index 475548254a5e554a3b29597e7fe392f6ce932625..76548d221d4493d3e85f479798b00a440865896d 100644
--- a/content/browser/zygote_host/zygote_communication_linux.cc
+++ b/content/browser/zygote_host/zygote_communication_linux.cc
@@ -22,6 +22,7 @@
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/result_codes.h"
+#include "media/base/media_switches.h"
 #include "ui/display/display_switches.h"
 #include "ui/gfx/switches.h"
 
@@ -250,8 +251,7 @@ void ZygoteCommunication::Init() {
   // Should this list be obtained from browser_render_process_host.cc?
   static const char* const kForwardSwitches[] = {
       switches::kAllowSandboxDebugging, switches::kAndroidFontsPath,
-      switches::kDisableSeccompFilterSandbox,
-      switches::kEnableHeapProfiling,
+      switches::kDisableSeccompFilterSandbox, switches::kEnableHeapProfiling,
       switches::kEnableLogging,  // Support, e.g., --enable-logging=stderr.
       // Need to tell the zygote that it is headless so that we don't try to use
       // the wrong type of main delegate.
@@ -261,6 +261,8 @@ void ZygoteCommunication::Init() {
       switches::kForceDeviceScaleFactor, switches::kLoggingLevel,
       switches::kNoSandbox, switches::kPpapiInProcess,
       switches::kRegisterPepperPlugins, switches::kV, switches::kVModule,
+      // Need to tell CdmHostFile(s) to ignore missing CDM host files.
+      switches::kIgnoreMissingCdmHostFile,
   };
   cmd_line.CopySwitchesFrom(browser_command_line, kForwardSwitches,
                             arraysize(kForwardSwitches));