FIXUP: Fix build with gcc 5

Restore tracing service.

Seems std::tuple in gcc 5 does not support direct construction of the elements,
so instead the elements have to be convertible and movable.

Task-number: QTBUG-81767
Change-Id: I6f700e0776c082cec82e1b1c8731d77a26f783d1
Reviewed-by: Allan Sandfeld Jensen <allan.jensen@qt.io>
Reviewed-by: Kirill Burtsev <kirill.burtsev@qt.io>
(cherry picked from commit 468c292d227f555b929911c533db2e465a1489a0)

5 files changed, 10 insertions, 19 deletions

diff --git a/chromium/base/containers/mru_cache.h b/chromium/base/containers/mru_cache.h
index 4a9f44e868e..8d88c8d5c93 100644
--- a/chromium/base/containers/mru_cache.h
+++ b/chromium/base/containers/mru_cache.h
@@ -81,6 +81,7 @@ class MRUCacheBase {
   // example, maybe it has special work to do when something is evicted), it
   // can pass NO_AUTO_EVICT to not restrict the cache size.
   explicit MRUCacheBase(size_type max_size) : max_size_(max_size) {}
+  MRUCacheBase(MRUCacheBase&&) = default;
 
   virtual ~MRUCacheBase() = default;
 
@@ -228,8 +229,9 @@ class MRUCache : public MRUCacheBase<KeyType, PayloadType, CompareType> {
 
  public:
   // See MRUCacheBase, noting the possibility of using NO_AUTO_EVICT.
-  explicit MRUCache(typename ParentType::size_type max_size)
+  MRUCache(typename ParentType::size_type max_size)
       : ParentType(max_size) {}
+  MRUCache(MRUCache&&) = default;
   virtual ~MRUCache() = default;
 
  private:
diff --git a/chromium/services/tracing/public/cpp/BUILD.gn b/chromium/services/tracing/public/cpp/BUILD.gn
index d9c1ad668ad..7abf5b8e290 100644
--- a/chromium/services/tracing/public/cpp/BUILD.gn
+++ b/chromium/services/tracing/public/cpp/BUILD.gn
@@ -33,7 +33,7 @@ if (!is_nacl && !is_ios) {
       "base_agent.h",
       "perfetto/dummy_producer.cc",
       "perfetto/dummy_producer.h",
-#      "perfetto/interning_index.h",
+      "perfetto/interning_index.h",
       "perfetto/perfetto_config.cc",
       "perfetto/perfetto_config.h",
       "perfetto/perfetto_producer.cc",
@@ -54,10 +54,10 @@ if (!is_nacl && !is_ios) {
       "perfetto/trace_event_data_source.h",
       "perfetto/traced_value_proto_writer.cc",
       "perfetto/traced_value_proto_writer.h",
-#      "perfetto/track_event_thread_local_event_sink.cc",
-#      "perfetto/track_event_thread_local_event_sink.h",
-#      "stack_sampling/tracing_sampler_profiler.cc",
-#      "stack_sampling/tracing_sampler_profiler.h",
+      "perfetto/track_event_thread_local_event_sink.cc",
+      "perfetto/track_event_thread_local_event_sink.h",
+      "stack_sampling/tracing_sampler_profiler.cc",
+      "stack_sampling/tracing_sampler_profiler.h",
       "trace_event_agent.cc",
       "trace_event_agent.h",
       "trace_event_args_whitelist.cc",
diff --git a/chromium/services/tracing/public/cpp/perfetto/interning_index.h b/chromium/services/tracing/public/cpp/perfetto/interning_index.h
index c28edd6f7c1..525cdb61658 100644
--- a/chromium/services/tracing/public/cpp/perfetto/interning_index.h
+++ b/chromium/services/tracing/public/cpp/perfetto/interning_index.h
@@ -47,7 +47,7 @@ class COMPONENT_EXPORT(TRACING_CPP) InterningIndex {
   //     InterningIndex<char*, std::string> index(1000, 100);
   template <typename... SizeType>
   InterningIndex(SizeType... max_entry_counts)
-      : entry_caches_(std::make_tuple<IndexCache<ValueTypes>...>(max_entry_counts...)) {}
+      : entry_caches_(max_entry_counts...) {}
 
   // Returns the entry for the given interned |value|, adding it to the index if
   // it didn't exist previously or was evicted from the index. Entries may be
diff --git a/chromium/services/tracing/public/cpp/perfetto/trace_event_data_source.cc b/chromium/services/tracing/public/cpp/perfetto/trace_event_data_source.cc
index 1cf6bcbc297..8afe51f82e8 100644
--- a/chromium/services/tracing/public/cpp/perfetto/trace_event_data_source.cc
+++ b/chromium/services/tracing/public/cpp/perfetto/trace_event_data_source.cc
@@ -522,14 +522,11 @@ void TraceEventDataSource::Flush(
 }
 
 void TraceEventDataSource::ClearIncrementalState() {
-#ifndef TOOLKIT_QT
   TrackEventThreadLocalEventSink::ClearIncrementalState();
-#endif
 }
 
 ThreadLocalEventSink* TraceEventDataSource::CreateThreadLocalEventSink(
     bool thread_will_flush) {
-#ifndef TOOLKIT_QT
   // The call to CreateTraceWriter() below posts a task which is not allowed
   // while holding |lock_|. Since we have to call it while holding |lock_|, we
   // defer the task posting until after the lock is released.
@@ -555,9 +552,6 @@ ThreadLocalEventSink* TraceEventDataSource::CreateThreadLocalEventSink(
   return new TrackEventThreadLocalEventSink(std::move(trace_writer), session_id,
                                             disable_interning_,
                                             privacy_filtering_enabled_);
-#else
-  return nullptr;
-#endif
 }
 
 // static
diff --git a/chromium/services/tracing/public/cpp/trace_event_agent.cc b/chromium/services/tracing/public/cpp/trace_event_agent.cc
index 397381d3cc9..99aa2610ae5 100644
--- a/chromium/services/tracing/public/cpp/trace_event_agent.cc
+++ b/chromium/services/tracing/public/cpp/trace_event_agent.cc
@@ -20,13 +20,10 @@
 #include "build/build_config.h"
 #include "services/tracing/public/cpp/perfetto/perfetto_traced_process.h"
 #include "services/tracing/public/cpp/perfetto/trace_event_data_source.h"
+#include "services/tracing/public/cpp/stack_sampling/tracing_sampler_profiler.h"
 #include "services/tracing/public/cpp/trace_event_args_whitelist.h"
 #include "services/tracing/public/cpp/tracing_features.h"
 
-#ifndef TOOLKIT_QT
-#include "services/tracing/public/cpp/stack_sampling/tracing_sampler_profiler.h"
-#endif
-
 namespace {
 
 const char kTraceEventLabel[] = "traceEvents";
@@ -62,9 +59,7 @@ TraceEventAgent::TraceEventAgent()
 
   PerfettoTracedProcess::Get()->AddDataSource(
       TraceEventDataSource::GetInstance());
-#ifndef TOOLKIT_QT
   TracingSamplerProfiler::RegisterDataSource();
-#endif
 }
 
 TraceEventAgent::~TraceEventAgent() = default;