Convert //base to use std::unique_ptr

With bonus IWYU fixes that weren't caught by local android gn, cros gn,
linux gn, mac gyp, and win gyp builds.

BUG=554298
[email protected]

Review URL: https://codereview.chromium.org/1852433005

Cr-Commit-Position: refs/heads/master@{#385011}
diff --git a/base/files/important_file_writer_unittest.cc b/base/files/important_file_writer_unittest.cc
index 28e6001..61d5e53 100644
--- a/base/files/important_file_writer_unittest.cc
+++ b/base/files/important_file_writer_unittest.cc
@@ -12,6 +12,7 @@
 #include "base/location.h"
 #include "base/logging.h"
 #include "base/macros.h"
+#include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "base/thread_task_runner_handle.h"
@@ -103,7 +104,7 @@
   ImportantFileWriter writer(file_, ThreadTaskRunnerHandle::Get());
   EXPECT_FALSE(PathExists(writer.path()));
   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState());
-  writer.WriteNow(make_scoped_ptr(new std::string("foo")));
+  writer.WriteNow(WrapUnique(new std::string("foo")));
   RunLoop().RunUntilIdle();
 
   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState());
@@ -116,7 +117,7 @@
   EXPECT_FALSE(PathExists(writer.path()));
   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState());
   successful_write_observer_.ObserveNextSuccessfulWrite(&writer);
-  writer.WriteNow(make_scoped_ptr(new std::string("foo")));
+  writer.WriteNow(WrapUnique(new std::string("foo")));
   RunLoop().RunUntilIdle();
 
   // Confirm that the observer is invoked.
@@ -127,7 +128,7 @@
   // Confirm that re-installing the observer works for another write.
   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState());
   successful_write_observer_.ObserveNextSuccessfulWrite(&writer);
-  writer.WriteNow(make_scoped_ptr(new std::string("bar")));
+  writer.WriteNow(WrapUnique(new std::string("bar")));
   RunLoop().RunUntilIdle();
 
   EXPECT_TRUE(successful_write_observer_.GetAndResetObservationState());
@@ -137,7 +138,7 @@
   // Confirm that writing again without re-installing the observer doesn't
   // result in a notification.
   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState());
-  writer.WriteNow(make_scoped_ptr(new std::string("baz")));
+  writer.WriteNow(WrapUnique(new std::string("baz")));
   RunLoop().RunUntilIdle();
 
   EXPECT_FALSE(successful_write_observer_.GetAndResetObservationState());