arc-bridge: Implement IPC message for app launcher

components/arc/arc_bridge_service_impl.h

Index: components/arc/arc_bridge_service_impl.h
diff --git a/components/arc/arc_bridge_service_impl.h b/components/arc/arc_bridge_service_impl.h
index d65e712c538697db9b284f0f32764f819802962c..7482363ecc26e5556905aeecb0d5b33af2e0008b 100644
--- a/components/arc/arc_bridge_service_impl.h
+++ b/components/arc/arc_bridge_service_impl.h
@@ -38,6 +38,18 @@ class ArcBridgeServiceImpl : public ArcBridgeService,
                            const std::string& device_type,
                            base::ScopedFD fd) override;
 
+  // Requests to refresh an app list.
+  bool RefreshAppList() override;
+
+  // Requests to launch an app.
+  bool LaunchApp(const std::string& package,
+                 const std::string& activity) override;
+
+  // Requests to load an icon of specific scale_factor.
+  bool RequestAppIcon(const std::string& package,
+                      const std::string& activity,
+                      ScaleFactor scale_factor) override;
+
  private:
   friend class ArcBridgeTest;
   FRIEND_TEST_ALL_PREFIXES(ArcBridgeTest, Basic);
@@ -70,6 +82,15 @@ class ArcBridgeServiceImpl : public ArcBridgeService,
   // Called when the instance has reached a boot phase
   void OnInstanceBootPhase(InstanceBootPhase phase);
 
+  // Called whenever ARC sends information about available apps.
+  void OnAppListRefreshed(const std::vector<arc::AppInfo>& apps);
+
+  // Called whenever ARC sends app icon data for specific scale factor.
+  void OnAppIcon(const std::string& package,
+                 const std::string& activity,
+                 ScaleFactor scale_factor,
+                 const std::vector<uint8_t>& icon_png_data);
+
   // IPC::Listener:
   bool OnMessageReceived(const IPC::Message& message) override;