Add Observatory to sky dart_controller

sky/engine/core/script/dart_debugger.cc

Index: sky/engine/core/script/dart_debugger.cc
diff --git a/mojo/dart/embedder/dart_debugger.cc b/sky/engine/core/script/dart_debugger.cc
similarity index 64%
copy from mojo/dart/embedder/dart_debugger.cc
copy to sky/engine/core/script/dart_debugger.cc
index 31e9ee4b5fb9a6534eccf618e5a56dd98842cd8c..f7c1c492a5cd76a7c384ec99532bb1ec879477be 100644
--- a/mojo/dart/embedder/dart_debugger.cc
+++ b/sky/engine/core/script/dart_debugger.cc
@@ -2,15 +2,14 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include <vector>
+#include "sky/engine/core/script/dart_debugger.h"
 
 #include "dart/runtime/include/dart_api.h"
 #include "dart/runtime/include/dart_debugger_api.h"
 #include "dart/runtime/include/dart_native_api.h"
-#include "mojo/dart/embedder/dart_debugger.h"
 
-namespace mojo {
-namespace dart {
+
+namespace blink {
 
 void DartDebuggerIsolate::MessageLoop() {
   MonitorLocker ml(&monitor_);
@@ -45,10 +44,9 @@ void DartDebugger::PausedEventHandler(Dart_IsolateId isolate_id,
                                       intptr_t bp_id,
                                       const Dart_CodeLocation& loc) {
   Dart_EnterScope();
-  DartDebuggerIsolate* debugger_isolate =
-      FindIsolateById(isolate_id);
-  CHECK(debugger_isolate != nullptr);
-  debugger_isolate->MessageLoop();
+  intptr_t isolate_index = FindIsolateIndexById(isolate_id);
+  CHECK(isolate_index != -1);
+  (*isolates_)[isolate_index]->MessageLoop();
   Dart_ExitScope();
 }
 
@@ -56,10 +54,9 @@ void DartDebugger::ExceptionThrownHandler(Dart_IsolateId isolate_id,
                                           Dart_Handle exception,
                                           Dart_StackTrace stack_trace) {
   Dart_EnterScope();
-  DartDebuggerIsolate* debugger_isolate =
-      FindIsolateById(isolate_id);
-  CHECK(debugger_isolate != nullptr);
-  debugger_isolate->MessageLoop();
+  intptr_t isolate_index = FindIsolateIndexById(isolate_id);
+  CHECK(isolate_index != -1);
+  (*isolates_)[isolate_index]->MessageLoop();
   Dart_ExitScope();
 }
 
@@ -69,11 +66,10 @@ void DartDebugger::IsolateEventHandler(Dart_IsolateId isolate_id,
   if (kind == Dart_IsolateEvent::kCreated) {
     AddIsolate(isolate_id);
   } else {
-    DartDebuggerIsolate* debugger_isolate =
-        FindIsolateById(isolate_id);
-    CHECK(debugger_isolate != nullptr);
+    intptr_t isolate_index = FindIsolateIndexById(isolate_id);
+    CHECK(isolate_index != -1);
     if (kind == Dart_IsolateEvent::kInterrupted) {
-      debugger_isolate->MessageLoop();
+      (*isolates_)[isolate_index]->MessageLoop();
     } else {
       CHECK(kind == Dart_IsolateEvent::kShutdown);
       RemoveIsolate(isolate_id);
@@ -85,10 +81,9 @@ void DartDebugger::IsolateEventHandler(Dart_IsolateId isolate_id,
 void DartDebugger::NotifyIsolate(Dart_Isolate isolate) {
   base::AutoLock al(*lock_);
   Dart_IsolateId isolate_id = Dart_GetIsolateId(isolate);
-  DartDebuggerIsolate* debugger_isolate =
-      FindIsolateByIdLocked(isolate_id);
-  if (debugger_isolate != nullptr) {
-    debugger_isolate->Notify();
+  intptr_t isolate_index = FindIsolateIndexByIdLocked(isolate_id);
+  if (isolate_index >= 0) {
+    (*isolates_)[isolate_index]->Notify();
   }
 }
 
@@ -98,40 +93,38 @@ void DartDebugger::InitDebugger() {
   Dart_SetBreakpointResolvedHandler(BptResolvedHandler);
   Dart_SetExceptionThrownHandler(ExceptionThrownHandler);
   lock_ = new base::Lock();
+  isolates_ = new std::vector<std::unique_ptr<DartDebuggerIsolate>>();
 }
 
-DartDebuggerIsolate* DartDebugger::FindIsolateById(Dart_IsolateId id) {
+intptr_t DartDebugger::FindIsolateIndexById(Dart_IsolateId id) {
   base::AutoLock al(*lock_);
-  return FindIsolateByIdLocked(id);
+  return FindIsolateIndexByIdLocked(id);
 }
 
-DartDebuggerIsolate* DartDebugger::FindIsolateByIdLocked(
+intptr_t DartDebugger::FindIsolateIndexByIdLocked(
       Dart_IsolateId id) {
   lock_->AssertAcquired();
-  for (size_t i = 0; i < isolates_.size(); i++) {
-    DartDebuggerIsolate* isolate = isolates_[i];
-    if (id == isolate->id()) {
-      return isolate;
+  for (size_t i = 0; i < isolates_->size(); i++) {
+    if ((*isolates_)[i]->id() == id) {
+      return i;
     }
   }
-  return nullptr;
+  return -1;
 }
 
-DartDebuggerIsolate* DartDebugger::AddIsolate(Dart_IsolateId id) {
+void DartDebugger::AddIsolate(Dart_IsolateId id) {
   base::AutoLock al(*lock_);
-  CHECK(FindIsolateByIdLocked(id) == nullptr);
-  DartDebuggerIsolate* debugger_isolate =
-      new DartDebuggerIsolate(id);
-  isolates_.push_back(debugger_isolate);
-  return debugger_isolate;
+  CHECK(FindIsolateIndexByIdLocked(id) == -1);
+  std::unique_ptr<DartDebuggerIsolate> debugger_isolate =
+      std::unique_ptr<DartDebuggerIsolate>(new DartDebuggerIsolate(id));
+  isolates_->push_back(std::move(debugger_isolate));
 }
 
 void DartDebugger::RemoveIsolate(Dart_IsolateId id) {
   base::AutoLock al(*lock_);
-  for (size_t i = 0; i < isolates_.size(); i++) {
-    DartDebuggerIsolate* isolate = isolates_[i];
-    if (id == isolate->id()) {
-      isolates_.erase(isolates_.begin() + i);
+  for (size_t i = 0; i < isolates_->size(); i++) {
+    if (id == (*isolates_)[i]->id()) {
+      isolates_->erase(isolates_->begin() + i);
       return;
     }
   }
@@ -139,7 +132,7 @@ void DartDebugger::RemoveIsolate(Dart_IsolateId id) {
 }
 
 base::Lock* DartDebugger::lock_ = nullptr;
-std::vector<DartDebuggerIsolate*> DartDebugger::isolates_;
+std::vector<std::unique_ptr<DartDebuggerIsolate>>* DartDebugger::isolates_ =
+    nullptr;
 
-}  // namespace apps
-}  // namespace mojo
+}  // namespace blink