DB quota

content/common/database_messages.h

Index: content/common/database_messages.h
===================================================================
--- content/common/database_messages.h	(revision 86348)
+++ content/common/database_messages.h	(working copy)
@@ -13,12 +13,20 @@
 // Database messages sent from the browser to the renderer.
 
 // Notifies the child process of the new database size
-IPC_MESSAGE_CONTROL4(DatabaseMsg_UpdateSize,
+IPC_MESSAGE_CONTROL3(DatabaseMsg_UpdateSize,
                      string16 /* the origin */,
                      string16 /* the database name */,
-                     int64 /* the new database size */,
+                     int64 /* the new database size */)
+
+// Notifies the child process of the new space available
+IPC_MESSAGE_CONTROL2(DatabaseMsg_UpdateSpaceAvailable,
+                     string16 /* the origin */,
                      int64 /* space available to origin */)
 
+// Notifies the child process to reset it's cached value for the origin.
+IPC_MESSAGE_CONTROL1(DatabaseMsg_ResetSpaceAvailable,
+                     string16 /* the origin */)
+
 // Asks the child process to close a database immediately
 IPC_MESSAGE_CONTROL2(DatabaseMsg_CloseImmediately,
                      string16 /* the origin */,
@@ -48,6 +56,11 @@
                             string16 /* vfs file name */,
                             int64 /* the size of the given DB file */)
 
+// Asks the browser process for the amount of space available to an origin
+IPC_SYNC_MESSAGE_CONTROL1_1(DatabaseHostMsg_GetSpaceAvailable,
+                            string16 /* origin identifier */,
+                            int64 /* remaining space available */)
+
 // Notifies the browser process that a new database has been opened
 IPC_MESSAGE_CONTROL4(DatabaseHostMsg_Opened,
                      string16 /* origin identifier */,