chromium/extensions/browser/extension_host.cc

// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "extensions/browser/extension_host.h"

#include <memory>

#include "base/logging.h"
#include "base/metrics/histogram_functions.h"
#include "base/metrics/histogram_macros.h"
#include "base/no_destructor.h"
#include "base/observer_list.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/timer/elapsed_timer.h"
#include "components/input/native_web_keyboard_event.h"
#include "content/public/browser/browser_context.h"
#include "content/public/browser/content_browser_client.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_widget_host_view.h"
#include "content/public/browser/site_instance.h"
#include "content/public/browser/web_contents.h"
#include "extensions/browser/bad_message.h"
#include "extensions/browser/event_router.h"
#include "extensions/browser/extension_error.h"
#include "extensions/browser/extension_host_delegate.h"
#include "extensions/browser/extension_host_observer.h"
#include "extensions/browser/extension_host_queue.h"
#include "extensions/browser/extension_host_registry.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_web_contents_observer.h"
#include "extensions/browser/extensions_browser_client.h"
#include "extensions/browser/process_manager.h"
#include "extensions/browser/view_type_utils.h"
#include "extensions/common/extension.h"
#include "extensions/common/extension_urls.h"
#include "extensions/common/feature_switch.h"
#include "extensions/common/manifest_handlers/background_info.h"
#include "third_party/blink/public/mojom/window_features/window_features.mojom.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/base/window_open_disposition.h"
#include "ui/color/color_provider.h"
#include "ui/color/color_provider_key.h"
#include "ui/color/color_provider_source.h"
#include "ui/color/color_provider_utils.h"

RenderProcessHost;
SiteInstance;
WebContents;

namespace extensions {

namespace {

// NoOpColorProviderSource does not generate any color provider changes for
// the UI-less extension background page.
class NoOpColorProviderSource : public ui::ColorProviderSource {};

// Emit all event dispatch time related metrics.
void EmitDispatchTimeMetrics(const EventDispatchSource& dispatch_source,
                             base::TimeTicks dispatch_start_time,
                             bool lazy_background_active_on_dispatch,
                             const Extension* extension) {}

}  // namespace

ExtensionHost::ExtensionHost(const Extension* extension,
                             SiteInstance* site_instance,
                             const GURL& url,
                             mojom::ViewType host_type)
    :{}

ExtensionHost::~ExtensionHost() {}

content::RenderProcessHost* ExtensionHost::render_process_host() const {}

bool ExtensionHost::IsRendererLive() const {}

void ExtensionHost::CreateRendererSoon() {}

void ExtensionHost::CreateRendererNow() {}

void ExtensionHost::Close() {}

void ExtensionHost::AddObserver(ExtensionHostObserver* observer) {}

void ExtensionHost::RemoveObserver(ExtensionHostObserver* observer) {}

void ExtensionHost::OnBackgroundEventDispatched(
    const std::string& event_name,
    base::TimeTicks dispatch_start_time,
    int event_id,
    EventDispatchSource dispatch_source,
    bool lazy_background_active_on_dispatch) {}

void ExtensionHost::OnNetworkRequestStarted(uint64_t request_id) {}

void ExtensionHost::OnNetworkRequestDone(uint64_t request_id) {}

void ExtensionHost::SetCloseHandler(CloseHandler close_handler) {}

bool ExtensionHost::ShouldAllowNavigations() const {}

const GURL& ExtensionHost::GetLastCommittedURL() const {}

void ExtensionHost::LoadInitialURL() {}

bool ExtensionHost::IsBackgroundPage() const {}

void ExtensionHost::OnExtensionReady(content::BrowserContext* browser_context,
                                     const Extension* extension) {}

void ExtensionHost::OnExtensionUnloaded(
    content::BrowserContext* browser_context,
    const Extension* extension,
    UnloadedExtensionReason reason) {}

void ExtensionHost::PrimaryMainFrameRenderProcessGone(
    base::TerminationStatus status) {}

void ExtensionHost::DidStopLoading() {}

void ExtensionHost::OnDidStopFirstLoad() {}

void ExtensionHost::PrimaryMainDocumentElementAvailable() {}

void ExtensionHost::CloseContents(WebContents* contents) {}

void ExtensionHost::EmitLateAckedEventTask(int event_id) {}

void ExtensionHost::OnEventAck(int event_id,
                               bool event_has_listener_in_background_context) {}

// content::WebContentsObserver

content::JavaScriptDialogManager* ExtensionHost::GetJavaScriptDialogManager(
    WebContents* source) {}

content::WebContents* ExtensionHost::AddNewContents(
    WebContents* source,
    std::unique_ptr<WebContents> new_contents,
    const GURL& target_url,
    WindowOpenDisposition disposition,
    const blink::mojom::WindowFeatures& window_features,
    bool user_gesture,
    bool* was_blocked) {}

void ExtensionHost::RenderFrameCreated(content::RenderFrameHost* frame_host) {}

void ExtensionHost::RenderFrameHostChanged(content::RenderFrameHost* old_host,
                                           content::RenderFrameHost* new_host) {}

void ExtensionHost::MaybeNotifyRenderProcessReady() {}

void ExtensionHost::NotifyRenderProcessReady() {}

void ExtensionHost::RequestMediaAccessPermission(
    content::WebContents* web_contents,
    const content::MediaStreamRequest& request,
    content::MediaResponseCallback callback) {}

bool ExtensionHost::CheckMediaAccessPermission(
    content::RenderFrameHost* render_frame_host,
    const url::Origin& security_origin,
    blink::mojom::MediaStreamType type) {}

bool ExtensionHost::IsNeverComposited(content::WebContents* web_contents) {}

content::PictureInPictureResult ExtensionHost::EnterPictureInPicture(
    content::WebContents* web_contents) {}

void ExtensionHost::ExitPictureInPicture() {}

std::string ExtensionHost::GetTitleForMediaControls(
    content::WebContents* web_contents) {}

void ExtensionHost::RecordStopLoadingUMA() {}

}  // namespace extensions