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### Issue Details
Electron Version: All Version
Operating System: macOS 10.15.3
Last Known Working Electron version: Never

### Bug
The color picker in devtools does not work.
In devtools if you want to change the colors of the CSS code. When you click on a color a color picker is supposed to appear but it does not appear.

### Screenshots
<img width="1013" alt="Capture d’écran 2020-09-07 à 11 42 44" src="https://user-images.githubusercontent.com/70572698/92374841-988ea280-f100-11ea-96be-afc93f6dd645.png">

shell/browser/api/electron_api_web_contents.h
scoped_refptr<content::FileSelectListener> listener,
                      const blink::mojom::FileChooserParams& params) override;
  void EnumerateDirectory(content::WebContents* web_contents,
                          scoped_refptr<content::FileSelectListener> listener,
                          const base::FilePath& path) override;
  bool IsFullscreenForTabOrPending(const content::WebContents* source) override;
  blink::SecurityStyle GetSecurityStyle(
      content::WebContents* web_contents,
      content::SecurityStyleExplanations* explanations) override;
  bool TakeFocus(content::WebContents* source, bool reverse) override;
  content::PictureInPictureResult EnterPictureInPicture(
      content::WebContents* web_contents,
      const viz::SurfaceId&,
      const gfx::Size& natural_size) override;
  void ExitPictureInPicture() override;
  
  void DevToolsSaveToFile(const std::string& url,
                          const std::string& content,
                          bool save_as) override;
  void DevToolsAppendToFile(const std::string& url,
                            const std::string& content) override;
  void DevToolsRequestFileSystems() override;
  void DevToolsAddFileSystem(const std::string& type,
                             const base::FilePath& file_system_path) override;
  void DevToolsRemoveFileSystem(
      const base::FilePath& file_system_path) override;
  void DevToolsIndexPath(int request_id,
                         const std::string& file_system_path,
                         const std::string& excluded_folders_message) override;
  void DevToolsStopIndexing(int request_id) override;