Update sqlite to 3.7.3.

third_party/sqlite/README.chromium

Index: third_party/sqlite/README.chromium
diff --git a/third_party/sqlite/README.chromium b/third_party/sqlite/README.chromium
index 926abd791e5be93466ec6c414bc1ff17eeca086e..60f55b1d81b34de3d223db310033eede2cf6bffd 100644
--- a/third_party/sqlite/README.chromium
+++ b/third_party/sqlite/README.chromium
@@ -4,7 +4,7 @@ URL: http://sqlite.org/
 
 Instructions for importing a new release of SQLite from sqlite.org.
 
-Note: our current base version is 3.6.18.
+Note: our current base version is 3.7.3.
 
 First, you need to be on Linux.
 
@@ -15,8 +15,8 @@ First, you need to be on Linux.
 # Note - this is just an example. Always refer to the version above for our
 # real current version.
 # Set some variables to remember the versions, e.g.:
-BASE=3.6.18
-LATEST=3.6.22
+BASE=3.7.3
+LATEST=3.7.4
 
 # Get to the src/third_party directory in your Chromium client:
 cd src/third_party
@@ -64,7 +64,6 @@ safe-tolower.patch
 sqlite-poison.patch
 fts2.patch
 fts3.patch
-icu-regexp.patch
 attach-integer.patch
 
 So, e.g. you could do this to apply all our patches to vanilla SQLite:
@@ -76,7 +75,6 @@ patch -p0 < ../sqlite/safe-tolower.patch
 patch -p0 < ../sqlite/sqlite-poison.patch
 patch -p0 < ../sqlite/fts2.patch
 patch -p0 < ../sqlite/fts3.patch
-patch -p0 < ../sqlite/icu-regexp.patch
 patch -p0 < ../sqlite/attach-integer.patch
 
 This will only be the case if all changes we make also update the corresponding
@@ -114,8 +112,6 @@ As of May 07, 2010, these are our changes from sqlite_vendor:
 
  - A fix for a crash passing an integer expression to ATTACH / DETACH. See
  attach-integer.patch
- - A fix for a crash mis-calling the REGEXP() function of the ICU extension.
- See icu-regexp.patch
  - A large number of fts2 robustness fixes against corrupt data in its metadata
    tables.
  - fts2.c disables fts2_tokenizer().