Delete dead code: OmxVideoDecodeAccelerator is unused.

content/gpu/gpu_main.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stdlib.h>
 
 #if defined(OS_WIN)
 #include <windows.h>
 #endif
 
@@ skipping 335 matching lines @@
     // platforms.
     crypto::HMAC hmac(crypto::HMAC::SHA256);
     unsigned char key = '\0';
     if (!hmac.Init(&key, sizeof(key))) {
       LOG(ERROR) << "WarmUpSandbox() failed with crypto::HMAC::Init()";
       return false;
     }
   }
 
 #if defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL) && defined(USE_X11)
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseExynosVda))
-    ExynosVideoDecodeAccelerator::PreSandboxInitialization();
-  else
-    OmxVideoDecodeAccelerator::PreSandboxInitialization();
+  ExynosVideoDecodeAccelerator::PreSandboxInitialization();
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
   VaapiWrapper::PreSandboxInitialization();
 #endif
 
 #if defined(OS_WIN)
   {
     TRACE_EVENT0("gpu", "Preload setupapi.dll");
     // Preload this DLL because the sandbox prevents it from loading.
     if (LoadLibrary(L"setupapi.dll") == NULL) {
       LOG(ERROR) << "WarmUpSandbox() failed with loading setupapi.dll";
@@ skipping 57 matching lines @@
     return true;
   }
 
   return false;
 }
 #endif  // defined(OS_WIN)
 
 }  // namespace.
 
 }  // namespace content