[test/fuzzer] Fix cpplint complaints

After this CL, we will enable cpplint checks for this directory on
presubmit: https://chromium-review.googlesource.com/647807

R=mstarzinger@chromium.org

Change-Id: Ie85e876a7245cc5c8d5bf9348c8841040a8edbe9
Reviewed-on: https://chromium-review.googlesource.com/647552
Reviewed-by: Michael Starzinger <mstarzinger@chromium.org>
Commit-Queue: Clemens Hammacher <clemensh@chromium.org>
Cr-Commit-Position: refs/heads/master@{#47791}

test/fuzzer/fuzzer-support.cc

@@ -53,8 +53,9 @@ FuzzerSupport::FuzzerSupport(int* argc, char*** argv) {
 FuzzerSupport::~FuzzerSupport() {
   {
     v8::Isolate::Scope isolate_scope(isolate_);
-    while (PumpMessageLoop()) /* empty */
-      ;
+    while (PumpMessageLoop()) {
+      // empty
+    }
 
     v8::HandleScope handle_scope(isolate_);
     context_.Reset();

test/fuzzer/fuzzer-support.h

@@ -34,6 +34,6 @@ class FuzzerSupport {
   v8::Global<v8::Context> context_;
 };
 
-}  // namespace
+}  // namespace v8_fuzzer
 
 #endif  //  TEST_FUZZER_FUZZER_SUPPORT_H_

test/fuzzer/fuzzer.cc

@@ -29,13 +29,13 @@ int main(int argc, char* argv[]) {
   }
 
   fseek(input, 0, SEEK_END);
-  long size = ftell(input);
+  size_t size = ftell(input);
   fseek(input, 0, SEEK_SET);
 
   uint8_t* data = reinterpret_cast<uint8_t*>(malloc(size));
   if (!data) {
     fclose(input);
-    fprintf(stderr, "Failed to allocate %ld bytes\n", size);
+    fprintf(stderr, "Failed to allocate %zu bytes\n", size);
     return 1;
   }
 

test/fuzzer/parser.cc

@@ -6,6 +6,9 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#include <cctype>
+#include <list>
+
 #include "include/v8.h"
 #include "src/objects-inl.h"
 #include "src/objects.h"
@@ -14,9 +17,6 @@
 #include "src/parsing/preparser.h"
 #include "test/fuzzer/fuzzer-support.h"
 
-#include <cctype>
-#include <list>
-
 bool IsValidInput(const uint8_t* data, size_t size) {
   std::list<char> parentheses;
   const char* ptr = reinterpret_cast<const char*>(data);

test/fuzzer/wasm-call.cc

@@ -71,7 +71,7 @@ class WasmCallFuzzer : public WasmExecutionFuzzer {
     (*argc)++;
   }
 
-  virtual bool GenerateModule(
+  bool GenerateModule(
       Isolate* isolate, Zone* zone, const uint8_t* data, size_t size,
       ZoneBuffer& buffer, int32_t& num_args,
       std::unique_ptr<WasmValue[]>& interpreter_args,

test/fuzzer/wasm-code.cc

@@ -19,7 +19,7 @@ namespace wasm {
 namespace fuzzer {
 
 class WasmCodeFuzzer : public WasmExecutionFuzzer {
-  virtual bool GenerateModule(
+  bool GenerateModule(
       Isolate* isolate, Zone* zone, const uint8_t* data, size_t size,
       ZoneBuffer& buffer, int32_t& num_args,
       std::unique_ptr<WasmValue[]>& interpreter_args,

test/fuzzer/wasm-compile.cc

@@ -113,7 +113,7 @@ class WasmGenerator {
   }
 
  public:
-  WasmGenerator(WasmFunctionBuilder* fn) : builder_(fn) {}
+  explicit WasmGenerator(WasmFunctionBuilder* fn) : builder_(fn) {}
 
   void Generate(ValueType type, DataRange data);
 
@@ -297,10 +297,10 @@ void WasmGenerator::Generate(ValueType type, DataRange data) {
       UNREACHABLE();
   }
 }
-}
+}  // namespace
 
 class WasmCompileFuzzer : public WasmExecutionFuzzer {
-  virtual bool GenerateModule(
+  bool GenerateModule(
       Isolate* isolate, Zone* zone, const uint8_t* data, size_t size,
       ZoneBuffer& buffer, int32_t& num_args,
       std::unique_ptr<WasmValue[]>& interpreter_args,