Stop using Googletest legacy APIs.

Googletest recently started replacing the term Test Case by Test Suite.
From now on, the preferred API is TestSuite*; the older TestCase* API
will be slowly deprecated.

This CL moves WebRTC to the new set of APIs.

More info in [1].

This CL has been generated with this script:

declare -A items
items[TYPED_TEST_CASE]=TYPED_TEST_SUITE
items[TYPED_TEST_CASE_P]=TYPED_TEST_SUITE_P
items[REGISTER_TYPED_TEST_CASE_P]=REGISTER_TYPED_TEST_SUITE_P
items[INSTANTIATE_TYPED_TEST_CASE_P]=INSTANTIATE_TYPED_TEST_SUITE_P
items[INSTANTIATE_TEST_CASE_P]=INSTANTIATE_TEST_SUITE_P
for i in "${!items[@]}"
do
  git ls-files | xargs sed -i "s/\b$i\b/${items[$i]}/g"
done
git cl format

[1] - https://github.com/google/googletest/blob/master/googletest/docs/primer.md#beware-of-the-nomenclature

Bug: None
Change-Id: I5ae191e3046caf347aeee01554d5743548ab0e3f
Reviewed-on: https://webrtc-review.googlesource.com/c/118701
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#26494}

logging/rtc_event_log/encoder/delta_encoding_unittest.cc

@@ -443,7 +443,7 @@ TEST_P(DeltaEncodingTest, ZeroDelta) {
   TestEncodingAndDecoding(base, values);
 }
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     SignednessOverrideAndNumberOfValuesInSequence,
     DeltaEncodingTest,
     ::testing::Combine(::testing::Values(DeltaSignedness::kNoOverride,
@@ -555,7 +555,7 @@ TEST_P(DeltaEncodingCompressionQualityTest,
   }
 }
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     SignednessOverrideAndDeltaMaxBitWidthAndNumberOfValuesInSequence,
     DeltaEncodingCompressionQualityTest,
     ::testing::Combine(
@@ -616,7 +616,7 @@ TEST_P(DeltaEncodingFuzzerLikeTest, Test) {
   TestEncodingAndDecoding(base, values);
 }
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     SignednessOverrideAndDeltaMaxBitWidthAndNumberOfValuesInSequence,
     DeltaEncodingFuzzerLikeTest,
     ::testing::Combine(
@@ -679,7 +679,7 @@ TEST_P(DeltaEncodingSpecificEdgeCasesTest, ReverseSequence) {
   TestEncodingAndDecoding(base, values);
 }
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     _,
     DeltaEncodingSpecificEdgeCasesTest,
     ::testing::Combine(

logging/rtc_event_log/encoder/rtc_event_log_encoder_common_unittest.cc

@@ -27,7 +27,7 @@ class SignednessConversionTest : public testing::Test {
   static_assert(std::is_signed<T>::value, "");
 };
 
-TYPED_TEST_CASE_P(SignednessConversionTest);
+TYPED_TEST_SUITE_P(SignednessConversionTest);
 
 TYPED_TEST_P(SignednessConversionTest, CorrectlyConvertsLegalValues) {
   using T = TypeParam;
@@ -72,13 +72,13 @@ TYPED_TEST_P(SignednessConversionTest, FailsOnConvertingIllegalValues) {
   }
 }
 
-REGISTER_TYPED_TEST_CASE_P(SignednessConversionTest,
-                           CorrectlyConvertsLegalValues,
-                           FailsOnConvertingIllegalValues);
+REGISTER_TYPED_TEST_SUITE_P(SignednessConversionTest,
+                            CorrectlyConvertsLegalValues,
+                            FailsOnConvertingIllegalValues);
 
 using Types = ::testing::Types<int8_t, int16_t, int32_t, int64_t>;
 
-INSTANTIATE_TYPED_TEST_CASE_P(_, SignednessConversionTest, Types);
+INSTANTIATE_TYPED_TEST_SUITE_P(_, SignednessConversionTest, Types);
 
 }  // namespace
 }  // namespace webrtc_event_logging

logging/rtc_event_log/encoder/rtc_event_log_encoder_unittest.cc

@@ -939,7 +939,7 @@ TEST_P(RtcEventLogEncoderTest, RtcEventVideoSendStreamConfig) {
   verifier_.VerifyLoggedVideoSendConfig(*event, video_send_configs[0]);
 }
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     RandomSeeds,
     RtcEventLogEncoderTest,
     ::testing::Combine(/* Random seed*: */ ::testing::Values(1, 2, 3, 4, 5),

logging/rtc_event_log/rtc_event_log_unittest.cc

@@ -725,7 +725,7 @@ TEST_P(RtcEventLogSession, StartLoggingInTheMiddle) {
   ReadAndVerifyLog();
 }
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     RtcEventLogTest,
     RtcEventLogSession,
     ::testing::Combine(
@@ -822,7 +822,7 @@ TEST_P(RtcEventLogCircularBufferTest, KeepsMostRecentEvents) {
   }
 }
 
-INSTANTIATE_TEST_CASE_P(
+INSTANTIATE_TEST_SUITE_P(
     RtcEventLogTest,
     RtcEventLogCircularBufferTest,
     ::testing::Values(RtcEventLog::EncodingType::Legacy,