bluetooth: Add URLs for Web Bluetooth help links.

chrome/browser/ui/android/bluetooth_chooser_android.h

Index: chrome/browser/ui/android/bluetooth_chooser_android.h
diff --git a/chrome/browser/ui/android/bluetooth_chooser_android.h b/chrome/browser/ui/android/bluetooth_chooser_android.h
index d090c9e55381f3cce122110985fa4651faf5a6df..fc77e636cb3d9cae617fec364445a051b6764bb1 100644
--- a/chrome/browser/ui/android/bluetooth_chooser_android.h
+++ b/chrome/browser/ui/android/bluetooth_chooser_android.h
@@ -17,6 +17,7 @@ class Origin;
 // options.
 class BluetoothChooserAndroid : public content::BluetoothChooser {
  public:
+  // Both frame and event_handler must outlive the BluetoothChooserAndroid.
   BluetoothChooserAndroid(content::RenderFrameHost* frame,
                           const EventHandler& event_handler);
   ~BluetoothChooserAndroid() override;
@@ -42,9 +43,6 @@ class BluetoothChooserAndroid : public content::BluetoothChooser {
   void ShowBluetoothOverviewLink(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj);
-  void ShowBluetoothPairingLink(
-      JNIEnv* env,
-      const base::android::JavaParamRef<jobject>& obj);
   void ShowBluetoothAdapterOffLink(
       JNIEnv* env,
       const base::android::JavaParamRef<jobject>& obj);
@@ -55,8 +53,10 @@ class BluetoothChooserAndroid : public content::BluetoothChooser {
   static bool Register(JNIEnv* env);
 
  private:
+  void OpenURL(const char* url);
   base::android::ScopedJavaGlobalRef<jobject> java_dialog_;
 
+  content::WebContents* web_contents_;
   BluetoothChooser::EventHandler event_handler_;
 };