Move bundled copy of sqlite one level deeper to better separate it

from our patches, READMEs, etc.

Also, add a shim header so we can use it for building
with system sqlite.

TEST=compile
BUG=22208
Review URL: http://codereview.chromium.org/3108030

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@56619 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 121 insertions, 0 deletions

diff --git a/third_party/sqlite/src/doc/report1.txt b/third_party/sqlite/src/doc/report1.txt
new file mode 100644
index 0000000..a236e7c
--- /dev/null
+++ b/third_party/sqlite/src/doc/report1.txt
@@ -0,0 +1,121 @@
+An SQLite (version 1.0) database was used in a large military application
+where the database contained 105 tables and indices.  The following is
+a breakdown on the sizes of keys and data within these tables and indices:
+
+Entries:      967089
+Size:         45896104
+Avg Size:     48
+Key Size:     11112265
+Avg Key Size: 12
+Max Key Size: 99
+
+    0..8            263    0%
+    9..12          5560    0%
+   13..16         71394    7%
+   17..24        180717   26%
+   25..32        215442   48%
+   33..40        151118   64%
+   41..48         77479   72%
+   49..56         13983   74%
+   57..64         14481   75%
+   65..80         41342   79%
+   81..96        127098   92%
+   97..112        38054   96%
+  113..128        14197   98%
+  129..144         8208   99%
+  145..160         3326   99%
+  161..176         1242   99%
+  177..192          604   99%
+  193..208          222   99%
+  209..224          213   99%
+  225..240          132   99%
+  241..256           58   99%
+  257..288          515   99%
+  289..320           64   99%
+  321..352           39   99%
+  353..384           44   99%
+  385..416           25   99%
+  417..448           24   99%
+  449..480           26   99%
+  481..512           27   99%
+  513..1024         470   99%
+ 1025..2048         396   99%
+ 2049..4096         187   99%
+ 4097..8192          78   99%
+ 8193..16384         35   99%
+16385..32768         17   99%
+32769..65536          6   99%
+65537..65541          3  100%
+
+If the indices are omitted, the statistics for the 49 tables
+become the following:
+
+Entries:      451103
+Size:         30930282
+Avg Size:     69
+Key Size:     1804412
+Avg Key Size: 4
+Max Key Size: 4
+
+    0..24            89    0%
+   25..32          9417    2%
+   33..40        119162   28%
+   41..48         68710   43%
+   49..56          9539   45%
+   57..64         12435   48%
+   65..80         38650   57%
+   81..96        126877   85%
+   97..112        38030   93%
+  113..128        14183   96%
+  129..144         7668   98%
+  145..160         3302   99%
+  161..176         1238   99%
+  177..192          597   99%
+  193..208          217   99%
+  209..224          211   99%
+  225..240          130   99%
+  241..256           57   99%
+  257..288          100   99%
+  289..320           62   99%
+  321..352           34   99%
+  353..384           43   99%
+  385..416           24   99%
+  417..448           24   99%
+  449..480           25   99%
+  481..512           27   99%
+  513..1024         153   99%
+ 1025..2048          92   99%
+ 2049..4096           7  100%
+
+The 56 indices have these statistics:
+
+Entries:      512422
+Size:         14879828
+Avg Size:     30
+Key Size:     9253204
+Avg Key Size: 19
+Max Key Size: 99
+
+    0..8            246    0%
+    9..12          5486    1%
+   13..16         70717   14%
+   17..24        178246   49%
+   25..32        205722   89%
+   33..40         31951   96%
+   41..48          8768   97%
+   49..56          4444   98%
+   57..64          2046   99%
+   65..80          2691   99%
+   81..96           202   99%
+   97..112           11   99%
+  113..144          527   99%
+  145..160           20   99%
+  161..288          406   99%
+  289..1024         316   99%
+ 1025..2048         304   99%
+ 2049..4096         180   99%
+ 4097..8192          78   99%
+ 8193..16384         35   99%
+16385..32768         17   99%
+32769..65536          6   99%
+65537..65541          3  100%