Move systemInfo.cpu API out out experimental namespace.

chrome/browser/extensions/api/system_info_cpu/system_info_cpu_api.cc

Index: chrome/browser/extensions/api/system_info_cpu/system_info_cpu_api.cc
diff --git a/chrome/browser/extensions/api/system_info_cpu/system_info_cpu_api.cc b/chrome/browser/extensions/api/system_info_cpu/system_info_cpu_api.cc
index 37d3a0320acc37f0651fc899aa2ff3cc0f5b993c..d8fcac21fb8cf0ccb836cc5868666eec1d96bd94 100644
--- a/chrome/browser/extensions/api/system_info_cpu/system_info_cpu_api.cc
+++ b/chrome/browser/extensions/api/system_info_cpu/system_info_cpu_api.cc
@@ -2,13 +2,15 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#include "base/command_line.h"
 #include "chrome/browser/extensions/api/system_info_cpu/system_info_cpu_api.h"
-
 #include "chrome/browser/extensions/api/system_info_cpu/cpu_info_provider.h"
+#include "chrome/common/chrome_switches.h"
+#include "chrome/common/extensions/features/base_feature_provider.h"
 
 namespace extensions {
 
-using api::experimental_system_info_cpu::CpuInfo;
+using api::system_info_cpu::CpuInfo;
 
 SystemInfoCpuGetFunction::SystemInfoCpuGetFunction() {
 }
@@ -17,6 +19,16 @@ SystemInfoCpuGetFunction::~SystemInfoCpuGetFunction() {
 }
 
 bool SystemInfoCpuGetFunction::RunImpl() {
+  const std::string& extension_id = GetExtension()->id();
+
+  if (CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
+          switches::kWhitelistedExtensionID) != extension_id &&
+      !BaseFeatureProvider::GetPermissionFeatures()->
+          GetFeature("systemInfo.cpu")->IsIdInWhitelist(extension_id)) {
+    SetError("Extension is not whitelisted to use systemInfo.cpu.");
+    return false;

[asargent_no_longer_on_chrome, 2013/05/30 19:14:00]

Do you even need to do this? Doesn't ExtensionFunctionDispatcher take care of it
for you?

[Tim Song, 2013/05/31 01:08:35]

Done. Apparently, I needed an non-empty list for the "whitelist" value in
_permission_features.json for the system to enforce the permissions.

+  }
+
   CpuInfoProvider::Get()->StartQueryInfo(
       base::Bind(&SystemInfoCpuGetFunction::OnGetCpuInfoCompleted, this));
   return true;