Delete dead code: OmxVideoDecodeAccelerator is unused.

OVDA has been dead code in the tree since 3/13 and m27
https://gerrit.chromium.org/gerrit/gitweb?p=chromiumos/platform/login_manager.git;a=commit;h=934e55cd90c2fd7a5b89fe201b251d542e896f46

BUG=223194
NOTRY=true

Review URL: https://chromiumcodereview.appspot.com/21584002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@215933 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/chromeos/login/chrome_restart_request.cc

@@ -134,7 +134,6 @@ std::string DeriveCommandLine(const GURL& start_url,
 #endif
       ::switches::kUseGL,
       ::switches::kUserDataDir,
-      ::switches::kUseExynosVda,
       ::switches::kV,
       ::switches::kEnableWebGLDraftExtensions,
       ash::switches::kAshDefaultGuestWallpaperLarge,

content/browser/gpu/gpu_process_host.cc

@@ -1156,7 +1156,6 @@ bool GpuProcessHost::LaunchGpuProcess(const std::string& channel_id) {
     switches::kReduceGpuSandbox,
     switches::kTestGLLib,
     switches::kTraceStartup,
-    switches::kUseExynosVda,
     switches::kV,
     switches::kVModule,
 #if defined(OS_MACOSX)

content/common/gpu/DEPS

@@ -4,7 +4,6 @@ include_rules = [
   "+libGLESv2",
   "+media/video/video_decode_accelerator.h",
   "+skia",
-  "+third_party/openmax",
   "+third_party/mesa",
 
   # For single process mode

content/common/gpu/media/gpu_video_decode_accelerator.cc

@@ -25,7 +25,6 @@
 #include "content/common/gpu/media/dxva_video_decode_accelerator.h"
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL) && defined(USE_X11)
 #include "content/common/gpu/media/exynos_video_decode_accelerator.h"
-#include "content/common/gpu/media/omx_video_decode_accelerator.h"
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
 #include "ui/gl/gl_context_glx.h"
 #include "content/common/gpu/media/vaapi_video_decode_accelerator.h"
@@ -176,19 +175,11 @@ void GpuVideoDecodeAccelerator::Initialize(
   video_decode_accelerator_.reset(new DXVAVideoDecodeAccelerator(
       this, make_context_current_));
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_ARMEL) && defined(USE_X11)
-  if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kUseExynosVda)) {
-    video_decode_accelerator_.reset(new ExynosVideoDecodeAccelerator(
-        gfx::GLSurfaceEGL::GetHardwareDisplay(),
-        stub_->decoder()->GetGLContext()->GetHandle(),
-        this,
-        make_context_current_));
-  } else {
-    video_decode_accelerator_.reset(new OmxVideoDecodeAccelerator(
-        gfx::GLSurfaceEGL::GetHardwareDisplay(),
-        stub_->decoder()->GetGLContext()->GetHandle(),
-        this,
-        make_context_current_));
-  }
+  video_decode_accelerator_.reset(new ExynosVideoDecodeAccelerator(
+      gfx::GLSurfaceEGL::GetHardwareDisplay(),
+      stub_->decoder()->GetGLContext()->GetHandle(),
+      this,
+      make_context_current_));
 #elif defined(OS_CHROMEOS) && defined(ARCH_CPU_X86_FAMILY) && defined(USE_X11)
   gfx::GLContextGLX* glx_context =
       static_cast<gfx::GLContextGLX*>(stub_->decoder()->GetGLContext());