Introduce v8::CpuProfiler::New and v8::CpuProfiler::Dispose API.

include/v8-profiler.h

Index: include/v8-profiler.h
diff --git a/include/v8-profiler.h b/include/v8-profiler.h
index 6a09d50ea5635da3f1eff41aa995095b4d59592a..29d3c84a740b03a87a72de28b38f93be3a044779 100644
--- a/include/v8-profiler.h
+++ b/include/v8-profiler.h
@@ -207,14 +207,25 @@ class V8_EXPORT CpuProfile {
   void Delete();
 };
 
-
 /**
  * Interface for controlling CPU profiling. Instance of the
- * profiler can be retrieved using v8::Isolate::GetCpuProfiler.
+ * profiler can be created using v8::CpuProfiler::New method.
  */
 class V8_EXPORT CpuProfiler {
  public:
   /**
+   * Creates a new CPU profiler for the |isolate|. The isolate must be
+   * initialized. The profiler object must be disposed after use by calling
+   * |Dispose| method.
+   */
+  static CpuProfiler* New(Isolate* isolate);
+
+  /**
+   * Disposes the CPU profiler object.
+   */
+  void Dispose();
+
+  /**
    * Changes default CPU profiler sampling interval to the specified number
    * of microseconds. Default interval is 1000us. This method must be called
    * when there are no profiles being recorded.