Embed a mojo ApplicationManager in content/browser

content/public/browser/content_browser_client.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 #define CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_
 
 #include <map>
 #include <string>
 #include <utility>
@@ skipping 35 matching lines @@
 }
 
 namespace blink {
 struct WebWindowFeatures;
 }
 
 namespace gfx {
 class ImageSkia;
 }
 
+namespace mojo {
+class ApplicationDelegate;
+}
+
 namespace net {
 class CookieOptions;
 class NetLog;
 class SSLCertRequestInfo;
 class SSLInfo;
 class URLRequest;
 class URLRequestContext;
 class URLRequestContextGetter;
 class X509Certificate;
 }
@@ skipping 59 matching lines @@
 // Embedder API (or SPI) for participating in browser logic, to be implemented
 // by the client of the content browser. See ChromeContentBrowserClient for the
 // principal implementation. The methods are assumed to be called on the UI
 // thread unless otherwise specified. Use this "escape hatch" sparingly, to
 // avoid the embedder interface ballooning and becoming very specific to Chrome.
 // (Often, the call out to the client can happen in a different part of the code
 // that either already has a hook out to the embedder, or calls out to one of
 // the observer interfaces.)
 class CONTENT_EXPORT ContentBrowserClient {
  public:
+  using StaticMojoApplicationMap =
+      std::map<GURL, base::Callback<scoped_ptr<mojo::ApplicationDelegate>()>>;

[jam, 2015/06/03 14:50:20]

nit: by convention we put these typedefs right before a method in the content
api (since this i sa large file, and when looking at a method it's nice to see
the types there instead of scrolling back and forth)

+
   virtual ~ContentBrowserClient() {}
 
   // Allows the embedder to set any number of custom BrowserMainParts
   // implementations for the browser startup code. See comments in
   // browser_main_parts.h.
   virtual BrowserMainParts* CreateBrowserMainParts(
       const MainFunctionParams& parameters);
 
   // Allows the embedder to change the default behavior of
   // BrowserThread::PostAfterStartupTask to better match whatever
@@ skipping 426 matching lines @@
   // Allows to override browser Mojo services exposed through the
   // RenderProcessHost.
   virtual void OverrideRenderProcessMojoServices(ServiceRegistry* registry) {}
 
   // Allows to override browser Mojo services exposed through the
   // RenderFrameHost.
   virtual void OverrideRenderFrameMojoServices(
       ServiceRegistry* registry,
       RenderFrameHost* render_frame_host) {}
 
+  // Registers in-process Mojo application loaders with the browser's global
+  // Mojo shell.
+  virtual void RegisterMojoApplications(StaticMojoApplicationMap* apps) {}
+
   // Registers additional navigator.connect service factories available in a
   // particular NavigatorConnectContext.
   virtual void GetAdditionalNavigatorConnectServices(
       const scoped_refptr<NavigatorConnectContext>& context) {}
 
   // Allows to override the visibility state of a RenderFrameHost.
   // |visibility_state| should not be null. It will only be set if needed.
   virtual void OverridePageVisibilityState(
       RenderFrameHost* render_frame_host,
       blink::WebPageVisibilityState* visibility_state) {}
@@ skipping 37 matching lines @@
   // Allows an embedder to provide its own ExternalVideoSurfaceContainer
   // implementation.  Return nullptr to disable external surface video.
   virtual ExternalVideoSurfaceContainer*
   OverrideCreateExternalVideoSurfaceContainer(WebContents* web_contents);
 #endif
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_CONTENT_BROWSER_CLIENT_H_