VM: Re-format to use at most one newline between functions

runtime/vm/unit_test.h

Index: runtime/vm/unit_test.h
diff --git a/runtime/vm/unit_test.h b/runtime/vm/unit_test.h
index bb275c231e0227c24dbdbeb23a1280c78f42d9f4..ab2d1fecc1b975f36654c88484675da14302ad5d 100644
--- a/runtime/vm/unit_test.h
+++ b/runtime/vm/unit_test.h
@@ -104,7 +104,6 @@
   static void CodeGenTestGenerate##name(const Function& function,              \
                                         CodeGenTest* test)
 
-
 // Pass the name of test and the expected results as RawObject.
 #define CODEGEN_TEST_RUN(name, expected)                                       \
   static void CodeGenTestRun##name(const Function& function);                  \
@@ -123,7 +122,6 @@
     EXPECT(actual.CanonicalizeEquals(Instance::Handle(expected)));             \
   }
 
-
 // Pass the name of test, and use the generated function to call it
 // and evaluate its result.
 #define CODEGEN_TEST_RAW_RUN(name, function)                                   \
@@ -136,7 +134,6 @@
   }                                                                            \
   static void CodeGenTestRun##name(const Function& function)
 
-
 // Generate code for two sequences of AST nodes and execute the first one.
 // The first one may reference the Function object generated by the second one.
 #define CODEGEN_TEST2_RUN(name1, name2, expected)                              \
@@ -161,7 +158,6 @@
     EXPECT(actual.CanonicalizeEquals(Instance::Handle(expected)));             \
   }
 
-
 #if defined(TARGET_ARCH_ARM) || defined(TARGET_ARCH_ARM64)
 #if defined(HOST_ARCH_ARM) || defined(HOST_ARCH_ARM64)
 // Running on actual ARM hardware, execute code natively.
@@ -233,12 +229,10 @@
 #endif  // defined(HOST_ARCH_ARM)
 #endif  // defined(TARGET_ARCH_{ARM, ARM64})
 
-
 inline Dart_Handle NewString(const char* str) {
   return Dart_NewStringFromCString(str);
 }
 
-
 namespace dart {
 
 // Forward declarations.
@@ -246,15 +240,13 @@ class Assembler;
 class CodeGenerator;
 class VirtualMemory;
 
-
 namespace bin {
 // Snapshot pieces if we link in a snapshot, otherwise initialized to NULL.
 extern const uint8_t* vm_snapshot_data;
 extern const uint8_t* vm_snapshot_instructions;
 extern const uint8_t* core_isolate_snapshot_data;
 extern const uint8_t* core_isolate_snapshot_instructions;
-}
-
+}  // namespace bin
 
 class TestCaseBase {
  public:
@@ -332,7 +324,6 @@ class TestCase : TestCaseBase {
   RunEntry* const run_;
 };
 
-
 class RawTestCase : TestCaseBase {
  public:
   typedef void(RunEntry)();
@@ -346,7 +337,6 @@ class RawTestCase : TestCaseBase {
   RunEntry* const run_;
 };
 
-
 class TestIsolateScope {
  public:
   TestIsolateScope() {
@@ -367,31 +357,26 @@ class TestIsolateScope {
   DISALLOW_COPY_AND_ASSIGN(TestIsolateScope);
 };
 
-
 template <typename T>
 struct is_void {
   static const bool value = false;
 };
 
-
 template <>
 struct is_void<void> {
   static const bool value = true;
 };
 
-
 template <typename T>
 struct is_double {
   static const bool value = false;
 };
 
-
 template <>
 struct is_double<double> {
   static const bool value = true;
 };
 
-
 class AssemblerTest {
  public:
   AssemblerTest(const char* name, Assembler* assembler)
@@ -524,7 +509,6 @@ class AssemblerTest {
   DISALLOW_COPY_AND_ASSIGN(AssemblerTest);
 };
 
-
 class CodeGenTest {
  public:
   explicit CodeGenTest(const char* name);
@@ -550,7 +534,6 @@ class CodeGenTest {
   DISALLOW_COPY_AND_ASSIGN(CodeGenTest);
 };
 
-
 class CompilerTest : public AllStatic {
  public:
   // Test the Compiler::CompileScript functionality by checking the return
@@ -613,7 +596,6 @@ class CompilerTest : public AllStatic {
     }                                                                          \
   } while (0)
 
-
 // Elide a substring which starts with some prefix and ends with a ".
 //
 // This is used to remove non-deterministic or fragile substrings from
@@ -630,7 +612,6 @@ class CompilerTest : public AllStatic {
 //
 void ElideJSONSubstring(const char* prefix, const char* in, char* out);
 
-
 template <typename T>
 class SetFlagScope : public ValueObject {
  public: