Remove dependencies of V8 on cpu-profiler is_profiling.

src/profiler/cpu-profiler.h

Index: src/profiler/cpu-profiler.h
diff --git a/src/profiler/cpu-profiler.h b/src/profiler/cpu-profiler.h
index 4261c367e0ed42768205f3cd0d5ebc0c6676dca4..aa9f0504771431b7440e9f3d0d5001e15cc42ad0 100644
--- a/src/profiler/cpu-profiler.h
+++ b/src/profiler/cpu-profiler.h
@@ -180,18 +180,15 @@ class ProfilerEventsProcessor : public base::Thread {
   unsigned last_processed_code_event_id_;
 };
 
-
-#define PROFILE(IsolateGetter, Call)                                        \
-  do {                                                                      \
-    Isolate* cpu_profiler_isolate = (IsolateGetter);                        \
-    v8::internal::Logger* logger = cpu_profiler_isolate->logger();          \
-    CpuProfiler* cpu_profiler = cpu_profiler_isolate->cpu_profiler();       \
-    if (logger->is_logging_code_events() || cpu_profiler->is_profiling()) { \
-      logger->Call;                                                         \
-    }                                                                       \
+#define PROFILE(IsolateGetter, Call)                                       \
+  do {                                                                     \
+    Isolate* the_isolate = (IsolateGetter);                                \
+    v8::internal::Logger* logger = the_isolate->logger();                  \
+    if (logger->is_logging_code_events() || the_isolate->is_profiling()) { \
+      logger->Call;                                                        \
+    }                                                                      \
   } while (false)
 
-
 class CpuProfiler : public CodeEventListener {
  public:
   explicit CpuProfiler(Isolate* isolate);
@@ -242,10 +239,7 @@ class CpuProfiler : public CodeEventListener {
   void SetterCallbackEvent(Name* name, Address entry_point) override;
   void SharedFunctionInfoMoveEvent(Address from, Address to) override {}
 
-  INLINE(bool is_profiling() const) { return is_profiling_; }
-  bool* is_profiling_address() {
-    return &is_profiling_;
-  }
+  bool is_profiling() const { return is_profiling_; }
 
   ProfileGenerator* generator() const { return generator_; }
   ProfilerEventsProcessor* processor() const { return processor_; }