Extensions: Split extensions utility IPC messages into its own file.

chrome/browser/extensions/tab_helper.cc

Index: chrome/browser/extensions/tab_helper.cc
diff --git a/chrome/browser/extensions/tab_helper.cc b/chrome/browser/extensions/tab_helper.cc
index e6ad1bc0f86f9854664673ec7559ac483b80b92c..bb53d7816708ea04621ca44234c86112246a3128 100644
--- a/chrome/browser/extensions/tab_helper.cc
+++ b/chrome/browser/extensions/tab_helper.cc
@@ -106,8 +106,14 @@ TabHelper::TabHelper(content::WebContents* web_contents)
       script_executor_(new ScriptExecutor(web_contents,
                                           &script_execution_observers_)),
       location_bar_controller_(new LocationBarController(web_contents)),
-      image_loader_ptr_factory_(this),
-      webstore_inline_installer_factory_(new WebstoreInlineInstallerFactory()) {
+      image_loader_ptr_factory_(this) {
+#if defined(ENABLE_EXTENSIONS)

[Lei Zhang, 2014/06/20 23:22:04]

I'll likely land https://codereview.chromium.org/349713002/ before this, so this
will get reverted. But for now...

+  // TODO(thestig) Add this back to the initializer list when TabHelper is no
+  // longer built on mobile.
+  webstore_inline_installer_factory_.reset(
+      new WebstoreInlineInstallerFactory());
+#endif
+
   // The ActiveTabPermissionManager requires a session ID; ensure this
   // WebContents has one.
   SessionTabHelper::CreateForWebContents(web_contents);
@@ -410,7 +416,6 @@ void TabHelper::OnInlineWebstoreInstall(int install_id,
       Profile::FromBrowserContext(web_contents()->GetBrowserContext());
   WebstoreAPI::Get(profile)->OnInlineInstallStart(
       return_route_id, this, webstore_item_id, listeners_mask);
-#endif
 
   WebstoreStandaloneInstaller::Callback callback =
       base::Bind(&TabHelper::OnInlineInstallComplete, base::Unretained(this),
@@ -422,6 +427,7 @@ void TabHelper::OnInlineWebstoreInstall(int install_id,
           requestor_url,
           callback));
   installer->BeginInstall();
+#endif  // defined(ENABLE_EXTENSIONS)
 }
 
 void TabHelper::OnGetAppInstallState(const GURL& requestor_url,