AndroidOverlay implementation using Dialog.

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index cd89b850335fb9b7c1e7597bcd182fd847d41895..2c5c14b90394112a20f5f20f710b4612e5fa4eed 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -15,6 +15,7 @@
 #include <string>
 #include <vector>
 
+#include "base/callback.h"
 #include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/id_map.h"
@@ -23,8 +24,10 @@
 #include "base/memory/ref_counted.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
+#include "base/optional.h"
 #include "base/process/process_handle.h"
 #include "base/single_thread_task_runner.h"
+#include "base/unguessable_token.h"
 #include "build/build_config.h"
 #include "content/common/accessibility_mode.h"
 #include "content/common/associated_interface_registry_impl.h"
@@ -82,6 +85,7 @@
 
 #if defined(OS_ANDROID)
 #include "content/renderer/media/android/renderer_media_player_manager.h"
+#include "media/base/android/routing_token_callback.h"
 #endif
 
 struct FrameMsg_MixedContentFound_Params;
@@ -759,6 +763,10 @@ class CONTENT_EXPORT RenderFrameImpl
   FRIEND_TEST_ALL_PREFIXES(RenderAccessibilityImplTest,
                            AccessibilityMessagesQueueWhileSwappedOut);
   FRIEND_TEST_ALL_PREFIXES(RenderFrameImplTest, ZoomLimit);
+  FRIEND_TEST_ALL_PREFIXES(RenderFrameImplTest,
+                           TestOverlayRoutingTokenSendsLater);
+  FRIEND_TEST_ALL_PREFIXES(RenderFrameImplTest,
+                           TestOverlayRoutingTokenSendsNow);
 
   // A wrapper class used as the callback for JavaScript executed
   // in an isolated world.
@@ -922,6 +930,7 @@ class CONTENT_EXPORT RenderFrameImpl
   void OnActivateNearestFindResult(int request_id, float x, float y);
   void OnGetNearestFindResult(int request_id, float x, float y);
   void OnFindMatchRects(int current_version);
+  void OnSetOverlayRoutingToken(const base::UnguessableToken& token);
 #endif
 
 #if BUILDFLAG(USE_EXTERNAL_POPUP_MENU)
@@ -1117,6 +1126,15 @@ class CONTENT_EXPORT RenderFrameImpl
 
   void InitializeBlameContext(RenderFrameImpl* parent_frame);
 
+#if defined(OS_ANDROID)
+  // Send |callback| our AndroidOverlay routing token when it arrives.  We may
+  // call |callback| before returning.
+  void GetOverlayRoutingToken(const media::RoutingTokenCallback& callback);
+
+  // Ask the host to send our AndroidOverlay routing token to us.
+  void RequestOverlayRoutingTokenFromHost();
+#endif
+
   // Stores the WebLocalFrame we are associated with.  This is null from the
   // constructor until BindToWebFrame is called, and it is null after
   // frameDetached is called until destruction (which is asynchronous in the
@@ -1421,6 +1439,14 @@ class CONTENT_EXPORT RenderFrameImpl
   // is used and released in didStartProvisionalLoad().
   std::unique_ptr<PendingNavigationInfo> pending_navigation_info_;
 
+#if defined(OS_ANDROID)
+  // AndroidOverlay routing token from the browser, if we have one yet.
+  base::Optional<base::UnguessableToken> overlay_routing_token_;
+
+  // Callbacks that we should call when we get a routing token.
+  std::vector<media::RoutingTokenCallback> pending_routing_token_callbacks_;
+#endif
+
   base::WeakPtrFactory<RenderFrameImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderFrameImpl);