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

content/public/browser/content_browser_client.h

Index: content/public/browser/content_browser_client.h
diff --git a/content/public/browser/content_browser_client.h b/content/public/browser/content_browser_client.h
index d69468a0c9ae77c6eb3a088c5c851fb1cd6ad704..f89deb2d30ff21b3a8b16550af97e0df3242c5ed 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -29,6 +29,7 @@
 #include "net/base/mime_util.h"
 #include "net/cookies/canonical_cookie.h"
 #include "storage/browser/fileapi/file_system_context.h"
+#include "storage/browser/quota/quota_manager.h"
 #include "third_party/WebKit/public/platform/WebPageVisibilityState.h"
 #include "ui/base/page_transition_types.h"
 #include "ui/base/window_open_disposition.h"
@@ -92,7 +93,6 @@ class Origin;
 
 namespace storage {
 class FileSystemBackend;
-class QuotaEvictionPolicy;
 }
 
 namespace content {
@@ -119,6 +119,7 @@ class RenderViewHost;
 class ResourceContext;
 class SiteInstance;
 class SpeechRecognitionManagerDelegate;
+class StoragePartition;
 class TracingDelegate;
 class VpnServiceProxy;
 class WebContents;
@@ -446,10 +447,13 @@ class CONTENT_EXPORT ContentBrowserClient {
   // Create and return a new quota permission context.
   virtual QuotaPermissionContext* CreateQuotaPermissionContext();
 
-  // Gives the embedder a chance to register a custom QuotaEvictionPolicy for
-  // temporary storage.
-  virtual std::unique_ptr<storage::QuotaEvictionPolicy>
-  GetTemporaryStorageEvictionPolicy(BrowserContext* context);
+  // Allows the embedder to provide settings that determine the amount
+  // of disk space that may be used by content facing storage apis like
+  // IndexedDatabase and ServiceWorker::CacheStorage and others.
+  virtual void GetQuotaSettings(
+      content::BrowserContext* context,
+      content::StoragePartition* partition,
+      const storage::OptionalQuotaSettingsCallback& callback);
 
   // Informs the embedder that a certificate error has occured.  If
   // |overridable| is true and if |strict_enforcement| is false, the user