Introduce AutofillClient and use it to get rid of PasswordManager dependency.

chrome/browser/autofill/DEPS

Index: chrome/browser/autofill/DEPS
diff --git a/chrome/browser/autofill/DEPS b/chrome/browser/autofill/DEPS
index 743b66f29d0716547937b03ad9a52e9613d47cdf..cd6ce8b031abaacb926c8f57df2a0c3911339700 100644
--- a/chrome/browser/autofill/DEPS
+++ b/chrome/browser/autofill/DEPS
@@ -14,7 +14,6 @@ include_rules = [
   #
   # Do not add to the list of temporarily-allowed dependencies below,
   # and please do not introduce more #includes of these files.
-  "!chrome/browser/password_manager/password_manager.h",
   "!chrome/browser/profiles/profile.h",
   "!chrome/browser/profiles/profile_dependency_manager.h",
   "!chrome/browser/profiles/profile_keyed_service.h",
@@ -46,6 +45,7 @@ specific_include_rules = {
     "!chrome/browser/password_manager/encryptor.h",
     "!chrome/browser/translate/translate_infobar_delegate.h",
     "!chrome/browser/translate/translate_manager.h",
+    "!chrome/browser/ui/autofill/tab_autofill_manager_delegate.h",
     "!chrome/browser/ui/browser_tabstrip.h",
     "!chrome/browser/ui/tab_contents/test_tab_contents.h",
   ]