Add prefix to empty param tests.

googletest will no longer support empty prefix
for parameterized INSTANTIATE_TEST_SUITE_P.
Adding "All" prefix to existing empty prefix test suites.

This CL was uploaded by git cl split.

R=kylechar@chromium.org

Bug: 1023677
Change-Id: Ie9121e5e3b44b0e61475908e3b2f7a9e3bb22699
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1926872
Auto-Submit: Ilia Samsonov <isamsonov@google.com>
Reviewed-by: kylechar <kylechar@chromium.org>
Commit-Queue: kylechar <kylechar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#717269}

base/message_loop/message_loop_unittest.cc

@@ -1472,7 +1472,7 @@ TEST_P(MessageLoopTypedTest, IsIdleForTestingNonNestableTask) {
   EXPECT_TRUE(loop->IsIdleForTesting());
 }
 
-INSTANTIATE_TEST_SUITE_P(,
+INSTANTIATE_TEST_SUITE_P(All,
                          MessageLoopTypedTest,
                          ::testing::Values(MessagePumpType::DEFAULT,
                                            MessagePumpType::UI,

base/message_loop/message_pump_unittest.cc

@@ -356,7 +356,7 @@ TEST_P(MessagePumpTest, NestedRunWithoutScheduleWorkInvokesDoWork) {
   message_pump_->Run(&delegate);
 }
 
-INSTANTIATE_TEST_SUITE_P(,
+INSTANTIATE_TEST_SUITE_P(All,
                          MessagePumpTest,
                          ::testing::Values(MessagePumpType::DEFAULT,
                                            MessagePumpType::UI,

base/synchronization/waitable_event_watcher_unittest.cc

@@ -418,12 +418,12 @@ TEST_P(WaitableEventWatcherDeletionTest, DeleteWatcherBeforeCallback) {
   EXPECT_FALSE(did_callback);
 }
 
-INSTANTIATE_TEST_SUITE_P(,
+INSTANTIATE_TEST_SUITE_P(All,
                          WaitableEventWatcherTest,
                          testing::ValuesIn(testing_main_threads));
 
 INSTANTIATE_TEST_SUITE_P(
-    ,
+    All,
     WaitableEventWatcherDeletionTest,
     testing::Combine(testing::ValuesIn(testing_main_threads), testing::Bool()));
 

base/timer/timer_unittest.cc

@@ -697,7 +697,7 @@ TEST(TimerTest, ContinuationReset) {
   }
 }
 
-INSTANTIATE_TEST_SUITE_P(,
+INSTANTIATE_TEST_SUITE_P(All,
                          TimerTestWithThreadType,
                          testing::ValuesIn(testing_main_threads));