fuchsia: Disable sqlite tests that require shm in vfs

Dot-file locking (which we're currently using on Fuchsia) specifies
"version 1" of VFS. This doesn't include SHM functions, so disable the
mmap-requiring tests.

Bug: 764423
Change-Id: I2bb24f4130bebdb3371aca4ee4169dd573d9cbb1
Reviewed-on: https://chromium-review.googlesource.com/665301
Reviewed-by: Victor Costan <pwnall@chromium.org>
Reviewed-by: John Budorick <jbudorick@chromium.org>
Commit-Queue: Scott Graham <scottmg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#502096}

sql/sqlite_features_unittest.cc

@@ -11,6 +11,7 @@
 #include "base/files/file_util.h"
 #include "base/files/memory_mapped_file.h"
 #include "base/files/scoped_temp_dir.h"
+#include "build/build_config.h"
 #include "sql/connection.h"
 #include "sql/statement.h"
 #include "sql/test/sql_test_base.h"
@@ -163,7 +164,7 @@ TEST_F(SQLiteFeaturesTest, ForeignKeySupport) {
   EXPECT_EQ("", ExecuteWithResult(&db(), kSelectChildren));
 }
 
-#if defined(MOJO_APPTEST_IMPL) || defined(OS_IOS)
+#if defined(MOJO_APPTEST_IMPL) || defined(OS_IOS) || defined(OS_FUCHSIA)
 // If the platform cannot support SQLite mmap'ed I/O, make sure SQLite isn't
 // offering to support it.
 TEST_F(SQLiteFeaturesTest, NoMmap) {
@@ -191,7 +192,7 @@ TEST_F(SQLiteFeaturesTest, NoMmap) {
 }
 #endif
 
-#if !defined(MOJO_APPTEST_IMPL)
+#if !defined(MOJO_APPTEST_IMPL) && !defined(OS_FUCHSIA)
 // Verify that OS file writes are reflected in the memory mapping of a
 // memory-mapped file.  Normally SQLite writes to memory-mapped files using
 // memcpy(), which should stay consistent.  Our SQLite is slightly patched to
@@ -457,7 +458,7 @@ TEST_F(SQLiteFeaturesTest, SmartAutoVacuum) {
 }
 #endif  // !defined(USE_SYSTEM_SQLITE)
 
-#if !defined(USE_SYSTEM_SQLITE)
+#if !defined(USE_SYSTEM_SQLITE) && !defined(OS_FUCHSIA)
 // SQLite WAL mode defaults to checkpointing the WAL on close.  This would push
 // additional work into Chromium shutdown.  Verify that SQLite supports a config
 // option to not checkpoint on close.

testing/buildbot/chromium.fyi.json

@@ -11346,6 +11346,12 @@
         },
         "test": "skia_unittests"
       },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": false
+        },
+        "test": "sql_unittests"
+      },
       {
         "args": [
           "--test-launcher-filter-file=../../testing/buildbot/filters/fuchsia.ui_base_unittests.filter"
@@ -11449,6 +11455,12 @@
         },
         "test": "skia_unittests"
       },
+      {
+        "swarming": {
+          "can_use_on_swarming_builders": false
+        },
+        "test": "sql_unittests"
+      },
       {
         "args": [
           "--test-launcher-filter-file=../../testing/buildbot/filters/fuchsia.ui_base_unittests.filter"