[tracing] Add separate dump provider for sql connection

sql/connection_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_file.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/macros.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/test/histogram_tester.h"
 #include "base/trace_event/process_memory_dump.h"
 #include "sql/connection.h"
+#include "sql/connection_memory_dump_provider.h"
 #include "sql/correct_sql_test_base.h"
 #include "sql/meta_table.h"
 #include "sql/statement.h"
 #include "sql/test/error_callback_support.h"
 #include "sql/test/scoped_error_ignorer.h"
 #include "sql/test/test_helpers.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "third_party/sqlite/sqlite3.h"
 
 namespace sql {
@@ skipping 1273 matching lines @@
   EXPECT_EQ(101, samples->sum());
 
   samples = tester.GetHistogramSamplesSinceCreation(kAutoCommitTime);
   EXPECT_EQ(0, samples->sum());
 }
 
 TEST_F(SQLConnectionTest, OnMemoryDump) {
   base::trace_event::ProcessMemoryDump pmd(nullptr);
   base::trace_event::MemoryDumpArgs args = {
       base::trace_event::MemoryDumpLevelOfDetail::DETAILED};
-  ASSERT_TRUE(db().OnMemoryDump(args, &pmd));
+  ASSERT_TRUE(db().memory_dump_provider_->OnMemoryDump(args, &pmd));
   EXPECT_GE(pmd.allocator_dumps().size(), 1u);
 }
 
 // Test that the functions to collect diagnostic data run to completion, without
 // worrying too much about what they generate (since that will change).
 TEST_F(SQLConnectionTest, CollectDiagnosticInfo) {
   // NOTE(shess): Mojo doesn't support everything CollectCorruptionInfo() uses,
   // but it's not really clear if adding support would be useful.
 #if !defined(MOJO_APPTEST_IMPL)
   const std::string corruption_info = db().CollectCorruptionInfo();
@@ skipping 144 matching lines @@
   // With no key, map everything and create the key.
   // TODO(shess): This really should be "maps everything after validating it",
   // but that is more complicated to structure.
   ASSERT_GT(db().GetAppropriateMmapSize(), kMmapAlot);
   ASSERT_TRUE(MetaTable::GetMmapStatus(&db(), &mmap_status));
   ASSERT_EQ(MetaTable::kMmapSuccess, mmap_status);
 }
 #endif
 
 }  // namespace sql