Ensure WebAPKs installed from the menu do not pollute banner statistics.

chrome/browser/android/banners/app_banner_infobar_delegate_android.h

 // Copyright 2015 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 CHROME_BROWSER_ANDROID_BANNERS_APP_BANNER_INFOBAR_DELEGATE_ANDROID_H_
 #define CHROME_BROWSER_ANDROID_BANNERS_APP_BANNER_INFOBAR_DELEGATE_ANDROID_H_
 
 #include <memory>
 #include <string>
 
@@ skipping 43 matching lines @@
       const std::string& native_app_package,
       const std::string& referrer,
       int event_request_id);
 
   ~AppBannerInfoBarDelegateAndroid() override;
 
   // Called when the AppBannerInfoBarAndroid's button needs to be updated.
   void UpdateInstallState(JNIEnv* env,
                           const base::android::JavaParamRef<jobject>& obj);
 
-  // Called when the installation Intent has been handled and focus has been
-  // returned to Chrome.
+  // Called when the native app installation Intent has been handled and focus
+  // has been returned to Chrome.
   void OnInstallIntentReturned(JNIEnv* env,
                                const base::android::JavaParamRef<jobject>& obj,
                                jboolean jis_installing);
 
-  // Called when the InstallerDelegate task has finished.
+  // Called when the native app InstallerDelegate task has finished.
   void OnInstallFinished(JNIEnv* env,
                          const base::android::JavaParamRef<jobject>& obj,
                          jboolean success);
 
   // ConfirmInfoBarDelegate:
   bool Accept() override;
 
   // Update the AppBannerInfoBarAndroid with installed WebAPK's information.
   void UpdateStateForInstalledWebAPK(const std::string& webapk_package_name);
 
@@ skipping 29 matching lines @@
 
   void CreateJavaDelegate();
   bool AcceptNativeApp(content::WebContents* web_contents);
   bool AcceptWebApp(content::WebContents* web_contents);
 
   // Called when the OK button on a WebAPK infobar is pressed. If the WebAPK is
   // already installed, opens it; otherwise, installs it. Returns whether the
   // infobar should be closed as a result of the button press.
   bool AcceptWebApk(content::WebContents* web_contents);
 
+  // Returns false if this delegate is for a WebAPK and was triggered from the
+  // A2HS menu item. Otherwise returns true.
+  bool TriggeredFromBanner() const;
   void SendBannerAccepted();
   void OnWebApkInstallFinished(bool success,
                                const std::string& webapk_package_name);
   void TrackWebApkInstallationDismissEvents(InstallState install_state);
 
   // ConfirmInfoBarDelegate:
   infobars::InfoBarDelegate::InfoBarIdentifier GetIdentifier() const override;
   gfx::Image GetIcon() const override;
   void InfoBarDismissed() override;
   base::string16 GetMessageText() const override;
@@ skipping 31 matching lines @@
 
   DISALLOW_COPY_AND_ASSIGN(AppBannerInfoBarDelegateAndroid);
 };
 
 // Register native methods.
 bool RegisterAppBannerInfoBarDelegateAndroid(JNIEnv* env);
 
 }  // namespace banners
 
 #endif  // CHROME_BROWSER_ANDROID_BANNERS_APP_BANNER_INFOBAR_DELEGATE_ANDROID_H_