Setup mojo for Kaleidoscope NTP module

Adds a dedicated KaleidoscopeNTPDataProvider that
provides the methods that are needed by the NTP.

BUG=1114862

Change-Id: I29c182f5c032f8dc0553bbe14b405f228942d3eb
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2357521Reviewed-by: Daniel Cheng <dcheng@chromium.org>
Reviewed-by: Tibor Goldschwendt <tiborg@chromium.org>
Commit-Queue: Becca Hughes <beccahughes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#798863}

chrome/browser/chrome_browser_interface_binders.cc

@@ -104,6 +104,7 @@
 #include "chrome/browser/accessibility/caption_host_impl.h"
 #include "chrome/browser/badging/badge_manager.h"
 #include "chrome/browser/media/feeds/media_feeds_store.mojom.h"
+#include "chrome/browser/media/kaleidoscope/kaleidoscope_data_provider_impl.h"
 #include "chrome/browser/media/kaleidoscope/kaleidoscope_ui.h"
 #include "chrome/browser/media/kaleidoscope/mojom/kaleidoscope.mojom.h"
 #include "chrome/browser/payments/payment_request_factory.h"
@@ -121,6 +122,7 @@
 #include "chrome/browser/ui/webui/tab_search/tab_search.mojom.h"
 #include "chrome/browser/ui/webui/tab_search/tab_search_ui.h"
 #include "chrome/common/caption.mojom.h"
+#include "chrome/common/webui_url_constants.h"
 #include "media/mojo/mojom/speech_recognition_service.mojom.h"
 #endif
 
@@ -639,7 +641,7 @@ void PopulateChromeWebUIFrameBinders(
 
 #if !defined(OS_ANDROID)
   RegisterWebUIControllerInterfaceBinder<media::mojom::KaleidoscopeDataProvider,
-                                         KaleidoscopeUI>(map);
+                                         KaleidoscopeUI, NewTabPageUI>(map);
 #endif  // !defined(OS_ANDROID)
 
 #if defined(OS_CHROMEOS)

chrome/browser/ui/BUILD.gn

@@ -1489,6 +1489,7 @@ static_library("ui") {
       "//build:lacros_buildflags",
       "//chrome/app/vector_icons",
       "//chrome/browser:theme_properties",
+      "//chrome/browser/media/kaleidoscope/mojom",
       "//chrome/browser/media/router",
       "//chrome/browser/nearby_sharing/certificates",
       "//chrome/browser/nearby_sharing/client",

chrome/browser/ui/webui/new_tab_page/new_tab_page_ui.cc

@@ -7,6 +7,10 @@
 #include <memory>
 #include <utility>
 
+#include "chrome/browser/buildflags.h"
+#include "chrome/browser/media/kaleidoscope/constants.h"
+#include "chrome/browser/media/kaleidoscope/kaleidoscope_data_provider_impl.h"
+#include "chrome/browser/media/kaleidoscope/kaleidoscope_ui.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/instant_service.h"
 #include "chrome/browser/search/instant_service_factory.h"
@@ -301,6 +305,13 @@ void NewTabPageUI::BindInterface(
       std::move(pending_page_handler), profile_);
 }
 
+void NewTabPageUI::BindInterface(
+    mojo::PendingReceiver<media::mojom::KaleidoscopeDataProvider>
+        pending_page_handler) {
+  kaleidoscope_data_provider_ = std::make_unique<KaleidoscopeDataProviderImpl>(
+      std::move(pending_page_handler), profile_);
+}
+
 void NewTabPageUI::CreatePageHandler(
     mojo::PendingRemote<new_tab_page::mojom::Page> pending_page,
     mojo::PendingReceiver<new_tab_page::mojom::PageHandler>

chrome/browser/ui/webui/new_tab_page/new_tab_page_ui.h

@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_UI_WEBUI_NEW_TAB_PAGE_NEW_TAB_PAGE_UI_H_
 
 #include "base/macros.h"
+#include "chrome/browser/media/kaleidoscope/mojom/kaleidoscope.mojom.h"
 #include "chrome/browser/promo_browser_command/promo_browser_command.mojom-forward.h"
 #include "chrome/browser/search/instant_service_observer.h"
 #include "chrome/browser/ui/webui/new_tab_page/new_tab_page.mojom.h"
@@ -23,6 +24,7 @@ class WebUI;
 }
 class GURL;
 class InstantService;
+class KaleidoscopeDataProviderImpl;
 class NewTabPageHandler;
 class Profile;
 
@@ -49,6 +51,13 @@ class NewTabPageUI : public ui::MojoWebUIController,
       mojo::PendingReceiver<promo_browser_command::mojom::CommandHandler>
           pending_receiver);
 
+  // Instantiates the implementor of the
+  // media::mojom::KaleidoscopeNTPDataProvider mojo interface passing the
+  // pending receiver that will be internally bound.
+  void BindInterface(
+      mojo::PendingReceiver<media::mojom::KaleidoscopeDataProvider>
+          pending_receiver);
+
  private:
   // new_tab_page::mojom::PageHandlerFactory:
   void CreatePageHandler(
@@ -80,6 +89,9 @@ class NewTabPageUI : public ui::MojoWebUIController,
   // performance.
   base::Time navigation_start_time_;
 
+  // Mojo implementations for modules:
+  std::unique_ptr<KaleidoscopeDataProviderImpl> kaleidoscope_data_provider_;
+
   WEB_UI_CONTROLLER_TYPE_DECL();
 
   DISALLOW_COPY_AND_ASSIGN(NewTabPageUI);