Mandoline DevTools service: remote debugging protocol over HTTP/WebSocket.

components/devtools_service/devtools_registry_impl.h

Index: components/devtools_service/devtools_registry_impl.h
diff --git a/components/devtools_service/devtools_registry_impl.h b/components/devtools_service/devtools_registry_impl.h
index c12c0de2f10feae5df4c97a87bcbe215e0a6e044..431f39a601c9a938b0cd091909edb1dc5f5477d6 100644
--- a/components/devtools_service/devtools_registry_impl.h
+++ b/components/devtools_service/devtools_registry_impl.h
@@ -5,30 +5,57 @@
 #ifndef COMPONENTS_DEVTOOLS_SERVICE_DEVTOOLS_REGISTRY_IMPL_H_
 #define COMPONENTS_DEVTOOLS_SERVICE_DEVTOOLS_REGISTRY_IMPL_H_
 
+#include <map>
+#include <string>
+
 #include "base/macros.h"
+#include "base/memory/linked_ptr.h"
 #include "components/devtools_service/public/interfaces/devtools_service.mojom.h"
 #include "mojo/common/weak_binding_set.h"
 
 namespace devtools_service {
 
+class DevToolsAgentHost;
 class DevToolsService;
 
 class DevToolsRegistryImpl : public DevToolsRegistry {
  public:
+  class Iterator {
+   public:
+    // |registry| must outlive this object.
+    explicit Iterator(DevToolsRegistryImpl* registry);
+    ~Iterator();
+
+    bool IsAtEnd() const { return iter_ == registry_->agents_.end(); }
+    void Advance() { ++iter_; }
+
+    DevToolsAgentHost* value() { return iter_->second.get(); }
+
+   private:
+    DevToolsRegistryImpl* const registry_;
+    std::map<std::string, linked_ptr<DevToolsAgentHost>>::const_iterator iter_;
+  };
+
   // |service| must outlive this object.
   explicit DevToolsRegistryImpl(DevToolsService* service);
   ~DevToolsRegistryImpl() override;
 
   void BindToRegistryRequest(mojo::InterfaceRequest<DevToolsRegistry> request);
 
+  DevToolsAgentHost* GetAgentById(const std::string& id);
+
  private:
   // DevToolsRegistry implementation.
   void RegisterAgent(DevToolsAgentPtr agent) override;
 
+  void OnAgentConnectionError(const std::string& id);
+
   DevToolsService* const service_;
 
   mojo::WeakBindingSet<DevToolsRegistry> bindings_;
 
+  std::map<std::string, linked_ptr<DevToolsAgentHost>> agents_;
+
   DISALLOW_COPY_AND_ASSIGN(DevToolsRegistryImpl);
 };