Convert app banners to use Mojo.

third_party/WebKit/public/web/WebLocalFrame.h

Index: third_party/WebKit/public/web/WebLocalFrame.h
diff --git a/third_party/WebKit/public/web/WebLocalFrame.h b/third_party/WebKit/public/web/WebLocalFrame.h
index 1e6d90dc3233296bfb90a4e658a30a14572721e7..69639ad94981707e4ce02801892553e2bdd0709e 100644
--- a/third_party/WebKit/public/web/WebLocalFrame.h
+++ b/third_party/WebKit/public/web/WebLocalFrame.h
@@ -23,7 +23,6 @@ class WebFrameWidget;
 class WebRange;
 class WebScriptExecutionCallback;
 class WebSuspendableTask;
-enum class WebAppBannerPromptReply;
 enum class WebCachePolicy;
 enum class WebSandboxFlags;
 enum class WebTreeScopeType;
@@ -311,16 +310,6 @@ class WebLocalFrame : public WebFrame {
 
   virtual void setContentSettingsClient(WebContentSettingsClient*) = 0;
 
-  // App banner -------------------------------------------------------------
-
-  // Request to show an application install banner for the given |platforms|.
-  // The implementation can request the embedder to cancel the call by setting
-  // |cancel| to true.
-  virtual void willShowInstallBannerPrompt(
-      int requestId,
-      const WebVector<WebString>& platforms,
-      WebAppBannerPromptReply*) = 0;
-
   // Image reload -----------------------------------------------------------
 
   // If the provided node is an image, reload the image disabling Lo-Fi.