Define V8EXPORT only in v8.h and use it in the other headers

include/v8-profiler.h

Index: include/v8-profiler.h
diff --git a/include/v8-profiler.h b/include/v8-profiler.h
index 7898fef1967f0c86df5fd6d94fde20d3575eb423..1d7b70d3c4e7988a2f8090ed2c1ef84da1bd195b 100644
--- a/include/v8-profiler.h
+++ b/include/v8-profiler.h
@@ -30,36 +30,6 @@
 
 #include "v8.h"
 
-#ifdef _WIN32
-// Setup for Windows DLL export/import. See v8.h in this directory for
-// information on how to build/use V8 as a DLL.
-#if defined(BUILDING_V8_SHARED) && defined(USING_V8_SHARED)
-#error both BUILDING_V8_SHARED and USING_V8_SHARED are set - please check the\
-  build configuration to ensure that at most one of these is set
-#endif
-
-#ifdef BUILDING_V8_SHARED
-#define V8EXPORT __declspec(dllexport)
-#elif USING_V8_SHARED
-#define V8EXPORT __declspec(dllimport)
-#else
-#define V8EXPORT
-#endif
-
-#else  // _WIN32
-
-// Setup for Linux shared library export. See v8.h in this directory for
-// information on how to build/use V8 as shared library.
-#if defined(__GNUC__) && ((__GNUC__ >= 4) || \
-    (__GNUC__ == 3 && __GNUC_MINOR__ >= 3)) && defined(V8_SHARED)
-#define V8EXPORT __attribute__ ((visibility("default")))
-#else
-#define V8EXPORT
-#endif
-
-#endif  // _WIN32
-
-
 /**
  * Profiler support for the V8 JavaScript engine.
  */
@@ -70,7 +40,7 @@ typedef uint32_t SnapshotObjectId;
 /**
  * CpuProfileNode represents a node in a call graph.
  */
-class V8EXPORT CpuProfileNode {
+class V8_EXPORT CpuProfileNode {
  public:
   /** Returns function name (empty string for anonymous functions.) */
   Handle<String> GetFunctionName() const;
@@ -125,7 +95,7 @@ class V8EXPORT CpuProfileNode {
  * CpuProfile contains a CPU profile in a form of top-down call tree
  * (from main() down to functions that do all the work).
  */
-class V8EXPORT CpuProfile {
+class V8_EXPORT CpuProfile {
  public:
   /** Returns CPU profile UID (assigned by the profiler.) */
   unsigned GetUid() const;
@@ -176,7 +146,7 @@ class V8EXPORT CpuProfile {
  * Interface for controlling CPU profiling. Instance of the
  * profiler can be retrieved using v8::Isolate::GetCpuProfiler.
  */
-class V8EXPORT CpuProfiler {
+class V8_EXPORT CpuProfiler {
  public:
   /**
    * A note on security tokens usage. As scripts from different
@@ -237,7 +207,7 @@ class HeapGraphNode;
  * HeapSnapshotEdge represents a directed connection between heap
  * graph nodes: from retainers to retained nodes.
  */
-class V8EXPORT HeapGraphEdge {
+class V8_EXPORT HeapGraphEdge {
  public:
   enum Type {
     kContextVariable = 0,  // A variable from a function context.
@@ -273,7 +243,7 @@ class V8EXPORT HeapGraphEdge {
 /**
  * HeapGraphNode represents a node in a heap graph.
  */
-class V8EXPORT HeapGraphNode {
+class V8_EXPORT HeapGraphNode {
  public:
   enum Type {
     kHidden = 0,      // Hidden node, may be filtered when shown to user.
@@ -325,7 +295,7 @@ class V8EXPORT HeapGraphNode {
 /**
  * HeapSnapshots record the state of the JS heap at some moment.
  */
-class V8EXPORT HeapSnapshot {
+class V8_EXPORT HeapSnapshot {
  public:
   enum SerializationFormat {
     kJSON = 0  // See format description near 'Serialize' method.
@@ -395,7 +365,7 @@ class RetainedObjectInfo;
  * Interface for controlling heap profiling. Instance of the
  * profiler can be retrieved using v8::Isolate::GetHeapProfiler.
  */
-class V8EXPORT HeapProfiler {
+class V8_EXPORT HeapProfiler {
  public:
   /**
    * Callback function invoked for obtaining RetainedObjectInfo for
@@ -533,7 +503,7 @@ class V8EXPORT HeapProfiler {
  * keeps them alive only during snapshot collection. Afterwards, they
  * are freed by calling the Dispose class function.
  */
-class V8EXPORT RetainedObjectInfo {  // NOLINT
+class V8_EXPORT RetainedObjectInfo {  // NOLINT
  public:
   /** Called by V8 when it no longer needs an instance. */
   virtual void Dispose() = 0;
@@ -599,7 +569,4 @@ struct HeapStatsUpdate {
 }  // namespace v8
 
 
-#undef V8EXPORT
-
-
 #endif  // V8_V8_PROFILER_H_