Introduce blink::ServiceProvider

sky/engine/core/frame/FrameHost.h

Index: sky/engine/core/frame/FrameHost.h
diff --git a/sky/engine/core/frame/FrameHost.h b/sky/engine/core/frame/FrameHost.h
index f82aa6e6af3277f4cd45c9802a6028558d8c147f..f30f392720cd68e9b5c954669d7de0cc44281a89 100644
--- a/sky/engine/core/frame/FrameHost.h
+++ b/sky/engine/core/frame/FrameHost.h
@@ -42,6 +42,7 @@ namespace blink {
 class Chrome;
 class EventHandlerRegistry;
 class Page;
+class ServiceProvider;
 class Settings;
 class UseCounter;
 class Visitor;
@@ -58,7 +59,7 @@ class Visitor;
 class FrameHost final : public DummyBase<FrameHost> {
     WTF_MAKE_NONCOPYABLE(FrameHost); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
 public:
-    static PassOwnPtr<FrameHost> create(Page&);
+    static PassOwnPtr<FrameHost> create(Page&, ServiceProvider*);
     ~FrameHost();
 
     // Careful: This function will eventually be removed.
@@ -67,6 +68,8 @@ public:
     Chrome& chrome() const;
     UseCounter& useCounter() const;
 
+    ServiceProvider* services() const { return m_services; }

[eseidel, 2014/10/31 17:48:57]

Why poitner?

+
     // Corresponds to pixel density of the device where this Page is
     // being displayed. In multi-monitor setups this can vary between pages.
     // This value does not account for Page zoom, use LocalFrame::devicePixelRatio instead.
@@ -77,9 +80,10 @@ public:
     void trace(Visitor*);
 
 private:
-    explicit FrameHost(Page&);
+    FrameHost(Page&, ServiceProvider*);
 
     RawPtr<Page> m_page;
+    ServiceProvider* m_services;
     const OwnPtr<EventHandlerRegistry> m_eventHandlerRegistry;
 };