Remove additional protection of kDisableAcceleratedVideoDecode in bpf_gpu_policy_linux.cc.

content/common/sandbox_linux/bpf_gpu_policy_linux.cc

Index: content/common/sandbox_linux/bpf_gpu_policy_linux.cc
diff --git a/content/common/sandbox_linux/bpf_gpu_policy_linux.cc b/content/common/sandbox_linux/bpf_gpu_policy_linux.cc
index 2460f02b65febb15e848fcba0a8315eaa2208906..8780e1e0274490177a8eea3802190054fc27ec39 100644
--- a/content/common/sandbox_linux/bpf_gpu_policy_linux.cc
+++ b/content/common/sandbox_linux/bpf_gpu_policy_linux.cc
@@ -72,18 +72,6 @@ inline bool IsArchitectureArm() {
 #endif
 }
 
-bool IsAcceleratedVideoDecodeEnabled() {
-  // Accelerated video decode is currently enabled on Chrome OS,

[Jorge Lucangeli Obes, 2014/03/06 15:53:59]

Let's simplify this function to:
CommandLine::ForCurrentProcess()->HasSwitch(switches::kDisableAcceleratedVideoDecode)

And keep calling it below. Makes code easier to read.

-  // but not on Linux: crbug.com/137247.
-  bool is_enabled = IsChromeOS();
-
-  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
-  is_enabled &=
-      !command_line.HasSwitch(switches::kDisableAcceleratedVideoDecode);
-
-  return is_enabled;
-}
-
 intptr_t GpuSIGSYS_Handler(const struct arch_seccomp_data& args,
                            void* aux_broker_process) {
   RAW_CHECK(aux_broker_process);
@@ -214,7 +202,8 @@ bool GpuProcessPolicy::PreSandboxHook() {
   if (IsArchitectureX86_64() || IsArchitectureI386()) {
     // Accelerated video decode dlopen()'s some shared objects
     // inside the sandbox, so preload them now.
-    if (IsAcceleratedVideoDecodeEnabled()) {
+    if (!CommandLine::ForCurrentProcess()->HasSwitch(
+            switches::kDisableAcceleratedVideoDecode)) {
       const char* I965DrvVideoPath = NULL;
 
       if (IsArchitectureX86_64()) {