[WebIntents] Cleanup of unused functions/default implementations

chrome/browser/ui/intents/web_intent_picker.h

 // Copyright (c) 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_INTENTS_WEB_INTENT_PICKER_H_
 #define CHROME_BROWSER_UI_INTENTS_WEB_INTENT_PICKER_H_
 
 #include <stddef.h>
 #include <string>
 #include <vector>
@@ skipping 19 matching lines @@
                                  WebIntentPickerModel* model);
 
   // Hides the UI for this picker, and destroys its UI.
   virtual void Close() = 0;
 
   // Sets the action string of the picker, e.g.,
   // "Which service should be used for sharing?".
   virtual void SetActionString(const string16& action) = 0;
 
   // Called when an extension is successfully installed via the picker.
-  virtual void OnExtensionInstallSuccess(const std::string& id) {}
+  virtual void OnExtensionInstallSuccess(const std::string& id) = 0;
 
   // Called when an extension installation started via the picker has failed.
-  virtual void OnExtensionInstallFailure(const std::string& id) {}
+  virtual void OnExtensionInstallFailure(const std::string& id) = 0;
 
   // Called when the inline disposition experiences an auto-resize.
-  virtual void OnInlineDispositionAutoResize(const gfx::Size& size) {}
+  virtual void OnInlineDispositionAutoResize(const gfx::Size& size) = 0;
 
   // Called when the controller has finished all pending asynchronous
   // activities.
-  virtual void OnPendingAsyncCompleted() {}
+  virtual void OnPendingAsyncCompleted() = 0;
 
   // Called when the inline disposition's web contents have been loaded.
   virtual void OnInlineDispositionWebContentsLoaded(
       content::WebContents* web_contents) {}
 
-  // Get the default size of the inline disposition tab container.
-  static gfx::Size GetDefaultInlineDispositionSize(
-      content::WebContents* web_contents);
-
   // Get the minimum size of the inline disposition content container.
   static gfx::Size GetMinInlineDispositionSize();
 
   // Get the maximum size of the inline disposition content container.
   static gfx::Size GetMaxInlineDispositionSize();
 
   // Get the star image IDs to use for the nth star (out of 5), given a
   // |rating| in the range [0, 5].
   static int GetNthStarImageIdFromCWSRating(double rating, int index);
 
  protected:
   virtual ~WebIntentPicker() {}
 };
 
 #endif  // CHROME_BROWSER_UI_INTENTS_WEB_INTENT_PICKER_H_