Revert of Enable forced extension updates on NaCl arch mismatch

extensions/common/extension.cc

Index: extensions/common/extension.cc
diff --git a/extensions/common/extension.cc b/extensions/common/extension.cc
index a671cd12ca2d65b809517ec059787b9d27a0711e..d8e798e516e2795c50f670fd27a6b26e4a1ed6e9 100644
--- a/extensions/common/extension.cc
+++ b/extensions/common/extension.cc
@@ -4,14 +4,10 @@
 
 #include "extensions/common/extension.h"
 
-#include <algorithm>
-
 #include "base/base64.h"
 #include "base/basictypes.h"
 #include "base/command_line.h"
-#include "base/files/file_enumerator.h"
 #include "base/files/file_path.h"
-#include "base/files/file_util.h"
 #include "base/i18n/rtl.h"
 #include "base/logging.h"
 #include "base/memory/singleton.h"
@@ -69,26 +65,6 @@
   return !net::IsSafePortableRelativePath(path);
 }
 
-void CollectPlatformSpecificResourceArchs(const base::FilePath& extension_path,
-                                          std::set<std::string>* archs) {
-  archs->clear();
-  base::FilePath platform_specific_path = extension_path.Append(
-      kPlatformSpecificFolder);
-  if (!base::PathExists(platform_specific_path)) {
-    return;
-  }
-
-  base::FileEnumerator all_archs(platform_specific_path,
-                                 false,
-                                 base::FileEnumerator::DIRECTORIES);
-  base::FilePath arch;
-  while (!(arch = all_archs.Next()).empty()) {
-    std::string arch_name = arch.BaseName().AsUTF8Unsafe();
-    std::replace(arch_name.begin(), arch_name.end(), '_', '-');
-    archs->insert(arch_name);
-  }
-}
-
 }  // namespace
 
 const int Extension::kInitFromValueFlagBits = 13;
@@ -459,15 +435,6 @@
   extent_.AddPattern(pattern);
 }
 
-bool Extension::HasPlatformSpecificResources() const {
-  return !platform_specific_resource_archs_.empty();
-}
-
-bool Extension::HasResourcesForPlatform(const std::string& arch) const {
-  return platform_specific_resource_archs_.find(arch) !=
-      platform_specific_resource_archs_.end();
-}
-
 // static
 bool Extension::InitExtensionID(extensions::Manifest* manifest,
                                 const base::FilePath& path,
@@ -569,9 +536,6 @@
 
   permissions_data_.reset(new PermissionsData(this));
 
-  CollectPlatformSpecificResourceArchs(path_,
-                                       &platform_specific_resource_archs_);
-
   return true;
 }