Revert "Move ExtensionCache to //extensions"

chrome/browser/extensions/chrome_extensions_browser_client.cc

Index: chrome/browser/extensions/chrome_extensions_browser_client.cc
diff --git a/chrome/browser/extensions/chrome_extensions_browser_client.cc b/chrome/browser/extensions/chrome_extensions_browser_client.cc
index 84961bdbcdf5dd3ec925ed22cd3e6fd7c821ae69..4a86a9584afd6c06bc02da562e44f0ebec885a34 100644
--- a/chrome/browser/extensions/chrome_extensions_browser_client.cc
+++ b/chrome/browser/extensions/chrome_extensions_browser_client.cc
@@ -40,10 +40,7 @@
 #include "extensions/browser/url_request_util.h"
 
 #if defined(OS_CHROMEOS)
-#include "chrome/browser/extensions/updater/extension_cache_impl.h"
 #include "chromeos/chromeos_switches.h"
-#else
-#include "extensions/browser/updater/null_extension_cache.h"
 #endif
 
 namespace extensions {
@@ -54,12 +51,6 @@ ChromeExtensionsBrowserClient::ChromeExtensionsBrowserClient() {
   // Only set if it hasn't already been set (e.g. by a test).
   if (GetCurrentChannel() == GetDefaultChannel())
     SetCurrentChannel(chrome::VersionInfo::GetChannel());
-
-#if defined(OS_CHROMEOS)
-  extension_cache_.reset(new ExtensionCacheImpl());
-#else
-  extension_cache_.reset(new NullExtensionCache());
-#endif
 }
 
 ChromeExtensionsBrowserClient::~ChromeExtensionsBrowserClient() {}
@@ -251,13 +242,6 @@ void ChromeExtensionsBrowserClient::RegisterExtensionFunctions(
   extensions::api::GeneratedFunctionRegistry::RegisterAll(registry);
 }
 
-scoped_ptr<extensions::RuntimeAPIDelegate>
-ChromeExtensionsBrowserClient::CreateRuntimeAPIDelegate(
-    content::BrowserContext* context) const {
-  return scoped_ptr<extensions::RuntimeAPIDelegate>(
-      new ChromeRuntimeAPIDelegate(context));
-}
-
 ComponentExtensionResourceManager*
 ChromeExtensionsBrowserClient::GetComponentExtensionResourceManager() {
   if (!resource_manager_)
@@ -276,8 +260,11 @@ net::NetLog* ChromeExtensionsBrowserClient::GetNetLog() {
   return g_browser_process->net_log();
 }
 
-ExtensionCache* ChromeExtensionsBrowserClient::GetExtensionCache() {
-  return extension_cache_.get();
+scoped_ptr<extensions::RuntimeAPIDelegate>
+ChromeExtensionsBrowserClient::CreateRuntimeAPIDelegate(
+    content::BrowserContext* context) const {
+  return scoped_ptr<extensions::RuntimeAPIDelegate>(
+      new ChromeRuntimeAPIDelegate(context));
 }
 
 }  // namespace extensions