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

chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc

Index: chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
diff --git a/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc b/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
index 03abc79cb3ed24b627bbf514364ede01c626ea07..ffdb52dae11ff30221b1fe5676a47982c9ecedbe 100644
--- a/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
+++ b/chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.cc
@@ -11,10 +11,8 @@
 #include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
 #include "chrome/browser/ui/pdf/chrome_pdf_web_contents_helper_client.h"
 #include "chrome/common/chrome_version_info.h"
-#include "components/browsing_data/storage_partition_http_cache_data_remover.h"
 #include "components/pdf/browser/pdf_web_contents_helper.h"
 #include "components/renderer_context_menu/context_menu_delegate.h"
-#include "components/web_cache/browser/web_cache_manager.h"
 #include "content/public/browser/render_process_host.h"
 #include "extensions/browser/api/web_request/web_request_api.h"
 #include "extensions/browser/guest_view/guest_view_event.h"
@@ -42,28 +40,6 @@ ChromeWebViewGuestDelegate::ChromeWebViewGuestDelegate(
 ChromeWebViewGuestDelegate::~ChromeWebViewGuestDelegate() {
 }
 
-void ChromeWebViewGuestDelegate::ClearCache(
-    base::Time remove_since,
-    const base::Closure& done_callback) {
-  int render_process_id = guest_web_contents()->GetRenderProcessHost()->GetID();
-  // We need to clear renderer cache separately for our process because
-  // StoragePartitionHttpCacheDataRemover::ClearData() does not clear that.
-  web_cache::WebCacheManager::GetInstance()->Remove(render_process_id);
-  web_cache::WebCacheManager::GetInstance()->ClearCacheForProcess(
-      render_process_id);
-
-  content::StoragePartition* partition =
-      content::BrowserContext::GetStoragePartition(
-          guest_web_contents()->GetBrowserContext(),
-          guest_web_contents()->GetSiteInstance());
-
-  // StoragePartitionHttpCacheDataRemover removes itself when it is done.
-  // TODO(lazyboy): Once StoragePartitionHttpCacheDataRemover moves to
-  // components/, move |ClearCache| to WebViewGuest: http//crbug.com/471287.
-  browsing_data::StoragePartitionHttpCacheDataRemover::CreateForRange(
-      partition, remove_since, base::Time::Now())->Remove(done_callback);
-}
-
 bool ChromeWebViewGuestDelegate::HandleContextMenu(
     const content::ContextMenuParams& params) {
   ContextMenuDelegate* menu_delegate =