Extract Favicon Download logic from FaviconTabHelper

chrome/browser/favicon/DEPS

Index: chrome/browser/favicon/DEPS
diff --git a/chrome/browser/favicon/DEPS b/chrome/browser/favicon/DEPS
index 0b044f2ca6d9f4029efd73b0e5ef14ddc846dd42..24d0b7387abb4639699a2b5226e08f5b817a8c63 100644
--- a/chrome/browser/favicon/DEPS
+++ b/chrome/browser/favicon/DEPS
@@ -31,3 +31,22 @@
   # Do not add to the list of temporarily-allowed dependencies above,
   # and please do not introduce more #includes of these files.
 ]
+
+specific_include_rules = {
+  # TODO(caitkp): Look into removing history/ dependencies.
+  'favicon_download_helper(_delegate)*\.(h|cc)': [
+    "-chrome",
+    "-chrome/browser",
+    "+chrome/browser/favicon",

[Jói, 2012/10/18 15:04:46]

You probably don't want to allow all of chrome/browser/favicon since some of
them may transitively include the rest of the world.  Same thing below I think.

+    "+chrome/common/icon_messages.h",
+  ],
+
+  'favicon_util\.(h|cc)': [
+    "-chrome",
+    "-chrome/browser",
+    "+chrome/browser/favicon",
+    "+chrome/common/icon_messages.h",
+    "!chrome/browser/history/history_types.h",
+    "!chrome/browser/history/select_favicon_frames.h",
+  ]
+}