Revert of Change how the quota system computes the total poolsize for temporary storage

ash/shell/content/client/shell_content_browser_client.cc

Index: ash/shell/content/client/shell_content_browser_client.cc
diff --git a/ash/shell/content/client/shell_content_browser_client.cc b/ash/shell/content/client/shell_content_browser_client.cc
index 7cb284d631c8b6b60b45171614364ebd7fda1db9..60da70666966b9330102da77e219b8249a79aaf4 100644
--- a/ash/shell/content/client/shell_content_browser_client.cc
+++ b/ash/shell/content/client/shell_content_browser_client.cc
@@ -8,10 +8,6 @@
 
 #include "ash/shell/content/client/shell_browser_main_parts.h"
 #include "base/command_line.h"
-#include "content/public/browser/browser_context.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/storage_partition.h"
-#include "storage/browser/quota/quota_settings.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 
 namespace ash {
@@ -28,16 +24,5 @@ content::BrowserMainParts* ShellContentBrowserClient::CreateBrowserMainParts(
   return shell_browser_main_parts_;
 }
 
-void ShellContentBrowserClient::GetQuotaSettings(
-    content::BrowserContext* context,
-    content::StoragePartition* partition,
-    const storage::OptionalQuotaSettingsCallback& callback) {
-  content::BrowserThread::PostTaskAndReplyWithResult(
-      content::BrowserThread::FILE, FROM_HERE,
-      base::Bind(&storage::CalculateNominalDynamicSettings,
-                 partition->GetPath(), context->IsOffTheRecord()),
-      callback);
-}
-
 }  // namespace examples
 }  // namespace views