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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
#include "shell/browser/api/frame_subscriber.h"
#include "shell/browser/api/save_page_handler.h"
#include "shell/browser/event_emitter_mixin.h"
#include "shell/browser/extended_web_contents_observer.h"
#include "shell/browser/ui/inspectable_web_contents.h"
#include "shell/browser/ui/inspectable_web_contents_delegate.h"
#include "shell/browser/ui/inspectable_web_contents_view_delegate.h"
#include "shell/common/gin_helper/cleaned_up_at_exit.h"
#include "shell/common/gin_helper/constructible.h"
#include "shell/common/gin_helper/error_thrower.h"
#include "ui/base/models/image_model.h"
#include "ui/gfx/image/image.h"
#if BUILDFLAG(ENABLE_PRINTING)
#include "shell/browser/printing/print_preview_message_handler.h"
#include "shell/browser/printing/print_view_manager_electron.h"
#endif
#if BUILDFLAG(ENABLE_ELECTRON_EXTENSIONS)
#include "extensions/common/mojom/view_type.mojom.h"
namespace extensions {
class ScriptExecutor;
}
#endif
namespace blink {
struct DeviceEmulationParams;
}
namespace gin_helper {
class Dictionary;
}
namespace network {
class ResourceRequestBody;