Move CrxFile, FileReader, ExtensionResource to src/extensions.

chrome/browser/ui/views/infobars/extension_infobar.cc

Index: chrome/browser/ui/views/infobars/extension_infobar.cc
diff --git a/chrome/browser/ui/views/infobars/extension_infobar.cc b/chrome/browser/ui/views/infobars/extension_infobar.cc
index bf191986957163bc7a244d1d99ad40de71fe01cb..0a32194b80b4b8072daacfac4d1ebce759a5859e 100644
--- a/chrome/browser/ui/views/infobars/extension_infobar.cc
+++ b/chrome/browser/ui/views/infobars/extension_infobar.cc
@@ -14,7 +14,7 @@
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_icon_set.h"
-#include "chrome/common/extensions/extension_resource.h"
+#include "extensions/common/extension_resource.h"
 #include "grit/theme_resources.h"
 #include "ui/base/animation/slide_animation.h"
 #include "ui/base/resource/resource_bundle.h"
@@ -146,8 +146,9 @@ void ExtensionInfoBar::ViewHierarchyChanged(bool is_add,
   const extensions::Extension* extension = extension_host->extension();
   extension_misc::ExtensionIcons image_size =
       extension_misc::EXTENSION_ICON_BITTY;
-  ExtensionResource icon_resource = extensions::IconsInfo::GetIconResource(
-      extension, image_size, ExtensionIconSet::MATCH_EXACTLY);
+  extensions::ExtensionResource icon_resource =
+      extensions::IconsInfo::GetIconResource(
+          extension, image_size, ExtensionIconSet::MATCH_EXACTLY);
   extensions::ImageLoader* loader =
       extensions::ImageLoader::Get(extension_host->profile());
   loader->LoadImageAsync(