Revert of Disable map in Work Chrome

third_party/sqlite/BUILD.gn

Index: third_party/sqlite/BUILD.gn
diff --git a/third_party/sqlite/BUILD.gn b/third_party/sqlite/BUILD.gn
index a7cb64e591af4d1431fd812bd3d14c9939ab3bc9..395bfa5750f68f323ef952d7792cb591e68c7e22 100644
--- a/third_party/sqlite/BUILD.gn
+++ b/third_party/sqlite/BUILD.gn
@@ -68,6 +68,13 @@
       # prefer to control distribution to worker threads.
       "SQLITE_MAX_WORKER_THREADS=0",
 
+      # Allow 256MB mmap footprint per connection.  Should not be too open-ended
+      # as that could cause memory fragmentation.  50MB encompasses the 99th
+      # percentile of Chrome databases in the wild.
+      # TODO(shess): A 64-bit-specific value could be 1G or more.
+      # TODO(shess): Figure out if exceeding this is costly.
+      "SQLITE_MAX_MMAP_SIZE=268435456",
+
       # Use a read-only memory map when mmap'ed I/O is enabled to prevent memory
       # stompers from directly corrupting the database.
       # TODO(shess): Upstream the ability to use this define.
@@ -150,20 +157,6 @@
       ]
     }
 
-    if (defined(android_channel) && android_channel == "work") {
-      defines += [
-        "SQLITE_MAX_MMAP_SIZE=0",
-      ]
-    } else {
-      defines += [
-        # Allow 256MB mmap footprint per connection.  Should not be too open-ended
-        # as that could cause memory fragmentation.  50MB encompasses the 99th
-        # percentile of Chrome databases in the wild.
-        # TODO(shess): A 64-bit-specific value could be 1G or more.
-        # TODO(shess): Figure out if exceeding this is costly.
-        "SQLITE_MAX_MMAP_SIZE=268435456",
-      ]
-    }
     deps = [
       "//third_party/icu",
     ]