Move chrome/common/extensions/background_info.h to src/extensions

chrome/chrome_common.gypi

Index: chrome/chrome_common.gypi
diff --git a/chrome/chrome_common.gypi b/chrome/chrome_common.gypi
index 29e67d8048b8a3e45d759430d75c4f19365702d0..dbd07b66216ade0d352a7e5bcce8d474ea84c559 100644
--- a/chrome/chrome_common.gypi
+++ b/chrome/chrome_common.gypi
@@ -41,7 +41,6 @@
         '<(DEPTH)/components/components.gyp:variations',
         '<(DEPTH)/components/components.gyp:visitedlink_common',
         '<(DEPTH)/content/content.gyp:content_common',
-        '<(DEPTH)/extensions/extensions.gyp:extensions_common',
         '<(DEPTH)/net/net.gyp:net',
         '<(DEPTH)/skia/skia.gyp:skia',
         '<(DEPTH)/third_party/icu/icu.gyp:icui18n',
@@ -158,8 +157,6 @@
         'common/extensions/api/system_indicator/system_indicator_handler.h',
         'common/extensions/api/url_handlers/url_handlers_parser.cc',
         'common/extensions/api/url_handlers/url_handlers_parser.h',
-        'common/extensions/background_info.cc',
-        'common/extensions/background_info.h',
         'common/extensions/chrome_extensions_client.cc',
         'common/extensions/chrome_extensions_client.h',
         'common/extensions/chrome_manifest_handlers.cc',
@@ -451,6 +448,7 @@
             '<(DEPTH)/chrome/common/extensions/api/api.gyp:api',
             '<(DEPTH)/components/components.gyp:autofill_core_common',
             '<(DEPTH)/components/nacl_common.gyp:nacl_common',
+            '<(DEPTH)/extensions/extensions.gyp:extensions_common',
             '<(DEPTH)/ipc/ipc.gyp:ipc',
             '<(DEPTH)/third_party/adobe/flash/flash_player.gyp:flapper_version_h',
             '<(DEPTH)/third_party/re2/re2.gyp:re2',