Extensions: Move id_util functions to crx_file component.

chrome/browser/extensions/extension_icon_manager_unittest.cc

Index: chrome/browser/extensions/extension_icon_manager_unittest.cc
diff --git a/chrome/browser/extensions/extension_icon_manager_unittest.cc b/chrome/browser/extensions/extension_icon_manager_unittest.cc
index 3a678095ba061bd87397f568ca4907262e8f2430..8dcb5ca958cf9de617c4cb3e36f8ed61dc7c1c36 100644
--- a/chrome/browser/extensions/extension_icon_manager_unittest.cc
+++ b/chrome/browser/extensions/extension_icon_manager_unittest.cc
@@ -9,9 +9,9 @@
 #include "chrome/browser/extensions/extension_icon_manager.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/test/base/testing_profile.h"
+#include "components/crx_file/id_util.h"
 #include "content/public/test/test_browser_thread.h"
 #include "extensions/common/extension.h"
-#include "extensions/common/id_util.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/skia_util.h"
 
@@ -93,7 +93,7 @@ class TestIconManager : public ExtensionIconManager {
 // Returns the default icon that ExtensionIconManager gives when an extension
 // doesn't have an icon.
 SkBitmap GetDefaultIcon() {
-  std::string dummy_id = extensions::id_util::GenerateId("whatever");
+  std::string dummy_id = crx_file::id_util::GenerateId("whatever");
   ExtensionIconManager manager;
   return manager.GetIcon(dummy_id);
 }