[Translate] Integrate TranslateEventProto UMA logging into TranslateManager.

chrome/browser/ui/browser_window.h

 // Copyright 2012 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_UI_BROWSER_WINDOW_H_
 #define CHROME_BROWSER_UI_BROWSER_WINDOW_H_
 
 #include "base/callback_forward.h"
 #include "build/build_config.h"
 #include "chrome/browser/lifetime/browser_close_manager.h"
@@ skipping 50 matching lines @@
 namespace signin_metrics {
 enum class AccessPoint;
 }
 
 namespace web_modal {
 class WebContentsModalDialogHost;
 }
 
 enum class ImeWarningBubblePermissionStatus;
 
+enum class ShowTranslateBubbleResult {
+  // The translate bubble was successfully shown.
+  SUCCESS,
+
+  // The various reasons for which the translate bubble could fail to be shown.
+  BROWSER_WINDOW_NOT_VALID,
+  BROWSER_WINDOW_MINIMIZED,
+  BROWSER_WINDOW_NOT_ACTIVE,
+  WEB_CONTENTS_NOT_ACTIVE,
+  EDITABLE_FIELD_IS_ACTIVE,
+};
+
 ////////////////////////////////////////////////////////////////////////////////
 // BrowserWindow interface
 //  An interface implemented by the "view" of the Browser window.
 //  This interface includes ui::BaseWindow methods as well as Browser window
 //  specific methods.
 //
 // NOTE: All getters may return NULL.
 //
 class BrowserWindow : public ui::BaseWindow {
  public:
@@ skipping 154 matching lines @@
   // Shows the "Save credit card" bubble.
   virtual autofill::SaveCardBubbleView* ShowSaveCreditCardBubble(
       content::WebContents* contents,
       autofill::SaveCardBubbleController* controller,
       bool is_user_gesture) = 0;
 
   // Shows the translate bubble.
   //
   // |is_user_gesture| is true when the bubble is shown on the user's deliberate
   // action.
-  virtual void ShowTranslateBubble(
+  virtual ShowTranslateBubbleResult ShowTranslateBubble(
       content::WebContents* contents,
       translate::TranslateStep step,
       translate::TranslateErrors::Type error_type,
       bool is_user_gesture) = 0;
 
 #if BUILDFLAG(ENABLE_ONE_CLICK_SIGNIN)
   // Callback type used with the ShowOneClickSigninConfirmation() method. If the
   // user chooses to accept the sign in, the callback is called to start the
   // sync process.
   typedef base::Callback<void(OneClickSigninSyncStarter::StartSyncMode)>
@@ skipping 125 matching lines @@
   virtual std::string GetWorkspace() const = 0;
   virtual bool IsVisibleOnAllWorkspaces() const = 0;
 
  protected:
   friend class BrowserCloseManager;
   friend class BrowserView;
   virtual void DestroyBrowser() = 0;
 };
 
 #endif  // CHROME_BROWSER_UI_BROWSER_WINDOW_H_