AppCache INTERCEPT namespace.

sql/connection.h

Index: sql/connection.h
===================================================================
--- sql/connection.h	(revision 113546)
+++ sql/connection.h	(working copy)
@@ -248,6 +248,9 @@
   // Returns true if the given table exists.
   bool DoesTableExist(const char* table_name) const;
 
+  // Returns true if the given index exists.
+  bool DoesIndexExist(const char* index_name) const;
+
   // Returns true if a column with the given name exists in the given table.
   bool DoesColumnExist(const char* table_name, const char* column_name) const;
 
@@ -283,6 +286,9 @@
   // sqlite3_open. The string can also be sqlite's special ":memory:" string.
   bool OpenInternal(const std::string& file_name);
 
+  // Internal helper for DoesTableExist and DoesIndexExist.
+  bool DoesTableOrIndexExist(const char* name, const char* type) const;
+
   // A StatementRef is a refcounted wrapper around a sqlite statement pointer.
   // Refcounting allows us to give these statements out to sql::Statement
   // objects while also optionally maintaining a cache of compiled statements