Move core web_view code to extensions.

extensions/browser/guest_view/web_view/web_view_guest.cc

 // Copyright 2014 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.
 
-#include "chrome/browser/guest_view/web_view/web_view_guest.h"
+#include "extensions/browser/guest_view/web_view/web_view_guest.h"
 
 #include "base/message_loop/message_loop.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
-#include "chrome/browser/extensions/api/web_request/web_request_api.h"
-#include "chrome/browser/extensions/api/web_view/web_view_internal_api.h"
-#include "chrome/browser/guest_view/web_view/chrome_web_view_guest_delegate.h"
-#include "chrome/browser/guest_view/web_view/web_view_constants.h"
-#include "chrome/browser/guest_view/web_view/web_view_permission_helper.h"
-#include "chrome/browser/guest_view/web_view/web_view_permission_types.h"
-#include "chrome/browser/guest_view/web_view/web_view_renderer_state.h"
+#include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/child_process_security_policy.h"
 #include "content/public/browser/native_web_keyboard_event.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/resource_request_details.h"
 #include "content/public/browser/site_instance.h"
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/common/media_stream_request.h"
 #include "content/public/common/page_zoom.h"
 #include "content/public/common/result_codes.h"
 #include "content/public/common/stop_find_action.h"
 #include "content/public/common/url_constants.h"
+#include "extensions/browser/api/extensions_api_client.h"
 #include "extensions/browser/extension_system.h"
 #include "extensions/browser/guest_view/guest_view_constants.h"
 #include "extensions/browser/guest_view/guest_view_manager.h"
+#include "extensions/browser/guest_view/web_view/web_view_constants.h"
+#include "extensions/browser/guest_view/web_view/web_view_permission_helper.h"
+#include "extensions/browser/guest_view/web_view/web_view_permission_types.h"
+#include "extensions/browser/guest_view/web_view/web_view_renderer_state.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/extension_messages.h"
 #include "ipc/ipc_message_macros.h"
 #include "net/base/escape.h"
 #include "net/base/net_errors.h"
-#include "third_party/WebKit/public/web/WebFindOptions.h"
 #include "ui/base/models/simple_menu_model.h"
 
 using base::UserMetricsAction;
 using content::RenderFrameHost;
 using content::ResourceType;
 using content::WebContents;
 
 namespace extensions {
 
 namespace {
@@ skipping 38 matching lines @@
   NOTREACHED() << "Unknown Termination Status.";
   return "unknown";
 }
 
 std::string GetStoragePartitionIdFromSiteURL(const GURL& site_url) {
   const std::string& partition_id = site_url.query();
   bool persist_storage = site_url.path().find("persist") != std::string::npos;
   return (persist_storage ? webview::kPersistPrefix : "") + partition_id;
 }
 
-void RemoveWebViewEventListenersOnIOThread(
-    void* profile,
-    const std::string& extension_id,
-    int embedder_process_id,
-    int view_instance_id) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::IO));
-  ExtensionWebRequestEventRouter::GetInstance()->RemoveWebViewEventListeners(
-      profile,
-      extension_id,
-      embedder_process_id,
-      view_instance_id);
-}
-
 void ParsePartitionParam(const base::DictionaryValue& create_params,
                          std::string* storage_partition_id,
                          bool* persist_storage) {
   std::string partition_str;
   if (!create_params.GetString(webview::kStoragePartitionId, &partition_str)) {
     return;
   }
 
   // Since the "persist:" prefix is in ASCII, StartsWith will work fine on
   // UTF-8 encoded |partition_id|. If the prefix is a match, we can safely
@@ skipping 190 matching lines @@
   web_view_permission_helper_.reset(new WebViewPermissionHelper(this));
 }
 
 void WebViewGuest::DidStopLoading() {
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   DispatchEventToEmbedder(
       new GuestViewBase::Event(webview::kEventLoadStop, args.Pass()));
 }
 
 void WebViewGuest::EmbedderDestroyed() {
-  // TODO(fsamuel): WebRequest event listeners for <webview> should survive
-  // reparenting of a <webview> within a single embedder. Right now, we keep
-  // around the browser state for the listener for the lifetime of the embedder.
-  // Ideally, the lifetime of the listeners should match the lifetime of the
-  // <webview> DOM node. Once http://crbug.com/156219 is resolved we can move
-  // the call to RemoveWebViewEventListenersOnIOThread back to
-  // WebViewGuest::WebContentsDestroyed.
-  content::BrowserThread::PostTask(
-      content::BrowserThread::IO,
-      FROM_HERE,
-      base::Bind(
-          &RemoveWebViewEventListenersOnIOThread,
-          browser_context(), embedder_extension_id(),
-          embedder_render_process_id(),
-          view_instance_id()));
+  if (web_view_guest_delegate_)
+    web_view_guest_delegate_->OnEmbedderDestroyed();
 }
 
 void WebViewGuest::GuestDestroyed() {
   // Clean up custom context menu items for this guest.
   if (web_view_guest_delegate_)
     web_view_guest_delegate_->OnGuestDestroyed();
   RemoveWebViewStateFromIOThread(web_contents());
 }
 
 void WebViewGuest::GuestReady() {
@@ skipping 49 matching lines @@
   DispatchEventToEmbedder(
       new GuestViewBase::Event(webview::kEventClose, args.Pass()));
 }
 
 void WebViewGuest::FindReply(WebContents* source,
                              int request_id,
                              int number_of_matches,
                              const gfx::Rect& selection_rect,
                              int active_match_ordinal,
                              bool final_update) {
-  find_helper_.FindReply(request_id, number_of_matches, selection_rect,
-                         active_match_ordinal, final_update);
+  if (web_view_guest_delegate_) {
+    web_view_guest_delegate_->FindReply(
+        source, request_id, number_of_matches,
+        selection_rect, active_match_ordinal, final_update);
+  }
 }
 
 bool WebViewGuest::HandleContextMenu(
     const content::ContextMenuParams& params) {
   if (!web_view_guest_delegate_)
     return false;
   return web_view_guest_delegate_->HandleContextMenu(params);
 }
 
 void WebViewGuest::HandleKeyboardEvent(
@@ skipping 133 matching lines @@
 
 double WebViewGuest::GetZoom() {
   if (!web_view_guest_delegate_)
     return 1.0;
   return web_view_guest_delegate_->GetZoom();
 }
 
 void WebViewGuest::Find(
     const base::string16& search_text,
     const blink::WebFindOptions& options,
-    scoped_refptr<WebViewInternalFindFunction> find_function) {
-  find_helper_.Find(guest_web_contents(), search_text, options, find_function);
+    WebViewInternalFindFunction* find_function) {
+  if (web_view_guest_delegate_)
+    web_view_guest_delegate_->Find(search_text, options, find_function);
 }
 
 void WebViewGuest::StopFinding(content::StopFindAction action) {
-  find_helper_.CancelAllFindSessions();
-  guest_web_contents()->StopFinding(action);
+  if (web_view_guest_delegate_)
+    web_view_guest_delegate_->StopFinding(action);
 }
 
 void WebViewGuest::Go(int relative_index) {
   guest_web_contents()->GetController().GoToOffset(relative_index);
 }
 
 void WebViewGuest::Reload() {
   // TODO(fsamuel): Don't check for repost because we don't want to show
   // Chromium's repost warning. We might want to implement a separate API
   // for registering a callback if a repost is about to happen.
@@ skipping 43 matching lines @@
       remove_since,
       base::Time::Now(),
       callback);
   return true;
 }
 
 WebViewGuest::WebViewGuest(content::BrowserContext* browser_context,
                            int guest_instance_id)
     : GuestView<WebViewGuest>(browser_context, guest_instance_id),
       is_overriding_user_agent_(false),
-      find_helper_(this),
       javascript_dialog_helper_(this) {
-  web_view_guest_delegate_.reset(new ChromeWebViewGuestDelegate(this));
+  web_view_guest_delegate_.reset(
+      ExtensionsAPIClient::Get()->CreateWebViewGuestDelegate(this));
 }
 
 WebViewGuest::~WebViewGuest() {
 }
 
 void WebViewGuest::DidCommitProvisionalLoadForFrame(
     content::RenderFrameHost* render_frame_host,
     const GURL& url,
     content::PageTransition transition_type) {
-  find_helper_.CancelAllFindSessions();
-
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetString(guestview::kUrl, url.spec());
   args->SetBoolean(guestview::kIsTopLevel, !render_frame_host->GetParent());
   args->SetInteger(webview::kInternalCurrentEntryIndex,
       guest_web_contents()->GetController().GetCurrentEntryIndex());
   args->SetInteger(webview::kInternalEntryCount,
       guest_web_contents()->GetController().GetEntryCount());
   args->SetInteger(webview::kInternalProcessId,
       guest_web_contents()->GetRenderProcessHost()->GetID());
   DispatchEventToEmbedder(
@@ skipping 35 matching lines @@
                                      RenderFrameHost* render_frame_host) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(WebViewGuest, message)
     IPC_MESSAGE_HANDLER(ExtensionHostMsg_FrameNameChanged, OnFrameNameChanged)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void WebViewGuest::RenderProcessGone(base::TerminationStatus status) {
-  // Cancel all find sessions in progress.
-  find_helper_.CancelAllFindSessions();
+  if (web_view_guest_delegate_)
+    web_view_guest_delegate_->OnRenderProcessGone();
 
   scoped_ptr<base::DictionaryValue> args(new base::DictionaryValue());
   args->SetInteger(webview::kProcessId,
                    guest_web_contents()->GetRenderProcessHost()->GetID());
   args->SetString(webview::kReason, TerminationStatusToString(status));
   DispatchEventToEmbedder(
       new GuestViewBase::Event(webview::kEventExit, args.Pass()));
 }
 
 void WebViewGuest::UserAgentOverrideSet(const std::string& user_agent) {
@@ skipping 404 matching lines @@
   WebViewGuest* guest =
       WebViewGuest::From(embedder_render_process_id(), new_window_instance_id);
   if (!guest)
     return;
 
   if (!allow)
     guest->Destroy();
 }
 
 }  // namespace extensions