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 9d1756dec89cfc08ab87e015aae4ddf86b281c50..721a7a2a9e095813af7893b78d914b28b74c0e77 100644
--- a/content/public/browser/content_browser_client.h
+++ b/content/public/browser/content_browser_client.h
@@ -31,6 +31,7 @@
 #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"
@@ -94,7 +95,6 @@ class Origin;
 
 namespace storage {
 class FileSystemBackend;
-class QuotaEvictionPolicy;
 }
 
 namespace content {
@@ -121,6 +121,7 @@ class RenderViewHost;
 class ResourceContext;
 class SiteInstance;
 class SpeechRecognitionManagerDelegate;
+class StoragePartition;
 class TracingDelegate;
 class VpnServiceProxy;
 class WebContents;
@@ -456,10 +457,13 @@ 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