Move JavaScriptDialogManager, JavascriptAppModalDialogViews to components/app_modal_dialogs

components/app_modal_dialogs/javascript_dialog_manager.cc

Index: components/app_modal_dialogs/javascript_dialog_manager.cc
diff --git a/chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.cc b/components/app_modal_dialogs/javascript_dialog_manager.cc
similarity index 78%
rename from chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.cc
rename to components/app_modal_dialogs/javascript_dialog_manager.cc
index 4b770cce29324d6e1820617d7def7ad3f401ea27..c945c5352767b42e8d8d0914b49c6408f67bd546 100644
--- a/chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.cc
+++ b/components/app_modal_dialogs/javascript_dialog_manager.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/ui/app_modal_dialogs/javascript_dialog_manager.h"
+#include "components/app_modal_dialogs/javascript_dialog_manager.h"
 
 #include "base/bind.h"
 #include "base/compiler_specific.h"
@@ -12,6 +12,7 @@
 #include "components/app_modal_dialogs/app_modal_dialog.h"
 #include "components/app_modal_dialogs/app_modal_dialog_queue.h"
 #include "components/app_modal_dialogs/javascript_app_modal_dialog.h"
+#include "components/app_modal_dialogs/javascript_dialog_manager_client.h"
 #include "components/app_modal_dialogs/native_app_modal_dialog.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_client.h"
@@ -20,67 +21,12 @@
 #include "net/base/net_util.h"
 #include "ui/base/l10n/l10n_util.h"
 
-#if defined(ENABLE_EXTENSIONS)
-#include "extensions/browser/process_manager.h"
-#include "extensions/common/extension.h"
-#endif  // defined(ENABLE_EXTENSIONS)
-
 using content::BrowserContext;
 using content::JavaScriptDialogManager;
 using content::WebContents;
 
-#if defined(ENABLE_EXTENSIONS)
-using extensions::Extension;
-#endif  // defined(ENABLE_EXTENSIONS)
-
 namespace {
 
-#if defined(ENABLE_EXTENSIONS)
-// Returns the ProcessManager for the browser context from |web_contents|.
-extensions::ProcessManager* GetExtensionsProcessManager(
-    WebContents* web_contents) {
-  return extensions::ProcessManager::Get(web_contents->GetBrowserContext());
-}
-
-// Returns the extension associated with |web_contents| or NULL if there is no
-// associated extension (or extensions are not supported).
-const Extension* GetExtensionForWebContents(WebContents* web_contents) {
-  extensions::ProcessManager* pm = GetExtensionsProcessManager(web_contents);
-  return pm->GetExtensionForRenderViewHost(web_contents->GetRenderViewHost());
-}
-#endif  // defined(ENABLE_EXTENSIONS)
-
-// Keeps an |extension| from shutting down its lazy background page. If an
-// extension opens a dialog its lazy background page must stay alive until the
-// dialog closes.
-void IncrementLazyKeepaliveCount(WebContents* web_contents) {
-#if defined(ENABLE_EXTENSIONS)
-  const Extension* extension = GetExtensionForWebContents(web_contents);
-  if (extension == NULL)
-    return;
-
-  DCHECK(web_contents);
-  extensions::ProcessManager* pm = GetExtensionsProcessManager(web_contents);
-  if (pm)
-    pm->IncrementLazyKeepaliveCount(extension);
-#endif  // defined(ENABLE_EXTENSIONS)
-}
-
-// Allows an |extension| to shut down its lazy background page after a dialog
-// closes (if nothing else is keeping it open).
-void DecrementLazyKeepaliveCount(WebContents* web_contents) {
-#if defined(ENABLE_EXTENSIONS)
-  const Extension* extension = GetExtensionForWebContents(web_contents);
-  if (extension == NULL)
-    return;
-
-  DCHECK(web_contents);
-  extensions::ProcessManager* pm = GetExtensionsProcessManager(web_contents);
-  if (pm)
-    pm->DecrementLazyKeepaliveCount(extension);
-#endif  // defined(ENABLE_EXTENSIONS)
-}
-
 class ChromeJavaScriptDialogManager : public JavaScriptDialogManager {
  public:
   static ChromeJavaScriptDialogManager* GetInstance();
@@ -185,7 +131,7 @@ void ChromeJavaScriptDialogManager::RunJavaScriptDialog(
   base::string16 dialog_title =
       GetTitle(web_contents, origin_url, accept_lang, is_alert);
 
-  IncrementLazyKeepaliveCount(web_contents);
+  GetJavaScriptDialogManagerClient()->IncrementLazyKeepaliveCount(web_contents);
 
   AppModalDialogQueue::GetInstance()->AddDialog(new JavaScriptAppModalDialog(
       web_contents,
@@ -214,7 +160,7 @@ void ChromeJavaScriptDialogManager::RunBeforeUnloadDialog(
   base::string16 full_message =
       message_text + base::ASCIIToUTF16("\n\n") + footer;
 
-  IncrementLazyKeepaliveCount(web_contents);
+  GetJavaScriptDialogManagerClient()->IncrementLazyKeepaliveCount(web_contents);
 
   AppModalDialogQueue::GetInstance()->AddDialog(new JavaScriptAppModalDialog(
       web_contents,
@@ -272,13 +218,11 @@ base::string16 ChromeJavaScriptDialogManager::GetTitle(
 
   // For extensions, show the extension name, but only if the origin of
   // the alert matches the top-level WebContents.
-#if defined(ENABLE_EXTENSIONS)
-  const Extension* extension = GetExtensionForWebContents(web_contents);
-  if (extension &&
-      web_contents->GetLastCommittedURL().GetOrigin() == origin_url) {
-    return base::UTF8ToUTF16(extension->name());
+  std::string name;
+  if (GetJavaScriptDialogManagerClient()
+      ->GetExtensionName(web_contents, origin_url, &name)) {
+    return base::UTF8ToUTF16(name);
   }
-#endif  // defined(ENABLE_EXTENSIONS)
 
   // Otherwise, return the formatted URL.
   // In this case, force URL to have LTR directionality.
@@ -310,7 +254,7 @@ void ChromeJavaScriptDialogManager::OnDialogClosed(
   // If an extension opened this dialog then the extension may shut down its
   // lazy background page after the dialog closes. (Dialogs are closed before
   // their WebContents is destroyed so |web_contents| is still valid here.)
-  DecrementLazyKeepaliveCount(web_contents);
+  GetJavaScriptDialogManagerClient()->DecrementLazyKeepaliveCount(web_contents);
 
   callback.Run(success, user_input);
 }