[wasm] Make trace event arguments camelCase

This seems to be the convention in other trace events.

R=ahaas@chromium.org

Bug: v8:11074
Change-Id: Icf7be6ba3d52cac8c77dec787f294a3edee44d20
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2521590
Commit-Queue: Clemens Backes <clemensb@chromium.org>
Reviewed-by: Andreas Haas <ahaas@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71017}

src/wasm/baseline/liftoff-compiler.cc

@@ -4111,7 +4111,7 @@ WasmCompilationResult ExecuteLiftoffCompilation(
     std::unique_ptr<DebugSideTable>* debug_sidetable, int dead_breakpoint) {
   int func_body_size = static_cast<int>(func_body.end - func_body.start);
   TRACE_EVENT2(TRACE_DISABLED_BY_DEFAULT("v8.wasm.detailed"),
-               "wasm.CompileBaseline", "func_index", func_index, "body_size",
+               "wasm.CompileBaseline", "funcIndex", func_index, "bodySize",
                func_body_size);
 
   Zone zone(allocator, "LiftoffCompilationZone");

src/wasm/module-compiler.cc

@@ -2960,7 +2960,7 @@ void CompilationStateImpl::FinalizeJSToWasmWrappers(
   // optimization we keep the code space unlocked to avoid repeated unlocking
   // because many such wrapper are allocated in sequence below.
   TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("v8.wasm.detailed"),
-               "wasm.FinalizeJSToWasmWrappers", "num_wrappers",
+               "wasm.FinalizeJSToWasmWrappers", "wrappers",
                js_to_wasm_wrapper_units_.size());
   CodeSpaceMemoryModificationScope modification_scope(isolate->heap());
   for (auto& unit : js_to_wasm_wrapper_units_) {
@@ -2985,7 +2985,7 @@ CompilationStateImpl::GetNextCompilationUnit(
 
 void CompilationStateImpl::OnFinishedUnits(Vector<WasmCode*> code_vector) {
   TRACE_EVENT1(TRACE_DISABLED_BY_DEFAULT("v8.wasm.detailed"),
-               "wasm.OnFinishedUnits", "num_units", code_vector.size());
+               "wasm.OnFinishedUnits", "units", code_vector.size());
 
   base::MutexGuard guard(&callbacks_mutex_);
 

src/wasm/wasm-code-manager.cc

@@ -858,7 +858,7 @@ void NativeModule::ReserveCodeTableForTesting(uint32_t max_functions) {
 void NativeModule::LogWasmCodes(Isolate* isolate) {
   if (!WasmCode::ShouldBeLogged(isolate)) return;
 
-  TRACE_EVENT1("v8.wasm", "wasm.LogWasmCodes", "num_functions",
+  TRACE_EVENT1("v8.wasm", "wasm.LogWasmCodes", "functions",
                module_->num_declared_functions);
 
   // TODO(titzer): we skip the logging of the import wrappers

src/wasm/wasm-engine.cc

@@ -1036,8 +1036,7 @@ void WasmEngine::LogOutstandingCodesForIsolate(Isolate* isolate) {
     DCHECK_EQ(1, isolates_.count(isolate));
     code_to_log.swap(isolates_[isolate]->code_to_log);
   }
-  TRACE_EVENT1("v8.wasm", "wasm.LogCode", "num_code_objects",
-               code_to_log.size());
+  TRACE_EVENT1("v8.wasm", "wasm.LogCode", "codeObjects", code_to_log.size());
   if (code_to_log.empty()) return;
   for (WasmCode* code : code_to_log) {
     code->LogCode(isolate);

src/wasm/wasm-js.cc

@@ -108,7 +108,7 @@ WasmStreaming::WasmStreaming(std::unique_ptr<WasmStreamingImpl> impl)
 WasmStreaming::~WasmStreaming() = default;
 
 void WasmStreaming::OnBytesReceived(const uint8_t* bytes, size_t size) {
-  TRACE_EVENT1("v8.wasm", "wasm.OnBytesReceived", "num_bytes", size);
+  TRACE_EVENT1("v8.wasm", "wasm.OnBytesReceived", "bytes", size);
   impl_->OnBytesReceived(bytes, size);
 }