Move clear cache code from chrome/ (ChromeWVGDelegate) to extensions/ (WVGuest)

extensions/browser/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//extensions/extensions.gni")
 
 # GYP version: extensions/extensions.gyp:extensions_browser
 source_set("browser") {
@@ skipping 26 matching lines @@
     # Includes all API implementations and the ExtensionsApiClient
     # interface. Moving an API from src/chrome to src/extensions implies
     # it can be cleanly disabled with enable_extensions=false.
     # TODO: Eventually the entire extensions module should not be built
     # when enable_extensions=false.
     sources = rebase_path(extensions_gypi_values.extensions_browser_sources,
                           ".",
                           "//extensions")
 
     deps += [
+      "//components/browsing_data",
       "//components/onc",
       "//components/storage_monitor",
       "//components/update_client",
       "//components/variations",
       "//crypto:platform",
       "//device/bluetooth",
       "//device/core",
       "//device/hid",
       "//device/serial",
       "//device/usb",
@@ skipping 32 matching lines @@
           win_or_mac_sources = rebase_path(
                   extensions_gypi_values.extensions_browser_sources_win_or_mac,
                   ".",
                   "//extensions")
           sources += win_or_mac_sources
         }
       }
     }
   }
 }