Cleanup: de-inline a bunch of classes, rename and move "PluginInstaller" to "...

chrome/browser/extensions/extension_host.cc

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Copyright (c) 2011 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/extensions/extension_host.h"
 
 #include <list>
 
 #include "app/l10n_util.h"
 #include "base/message_loop.h"
 #include "base/singleton.h"
@@ skipping 193 matching lines @@
 
 void ExtensionHost::CreateRenderViewNow() {
   render_view_host_->CreateRenderView(string16());
   NavigateToURL(url_);
   DCHECK(IsRenderViewLive());
   if (is_background_page())
     profile_->GetExtensionService()->DidCreateRenderViewForBackgroundPage(
         this);
 }
 
-Browser* ExtensionHost::GetBrowser() const {
+const Browser* ExtensionHost::GetBrowser() const {
+  return view() ? view()->browser() : NULL;
+}
+
+Browser* ExtensionHost::GetBrowser() {
   return view() ? view()->browser() : NULL;
 }
 
 gfx::NativeView ExtensionHost::GetNativeViewOfHost() {
   return view() ? view()->native_view() : NULL;
 }
 
 void ExtensionHost::NavigateToURL(const GURL& url) {
   // Prevent explicit navigation to another extension id's pages.
   // This method is only called by some APIs, so we still need to protect
@@ skipping 558 matching lines @@
 
 int ExtensionHost::GetBrowserWindowID() const {
   // Hosts not attached to any browser window have an id of -1.  This includes
   // those mentioned below, and background pages.
   int window_id = extension_misc::kUnknownWindowId;
   if (extension_host_type_ == ViewType::EXTENSION_POPUP ||
       extension_host_type_ == ViewType::EXTENSION_INFOBAR) {
     // If the host is bound to a browser, then extract its window id.
     // Extensions hosted in ExternalTabContainer objects may not have
     // an associated browser.
-    Browser* browser = GetBrowser();
+    const Browser* browser = GetBrowser();
     if (browser)
       window_id = ExtensionTabUtil::GetWindowId(browser);
   } else if (extension_host_type_ != ViewType::EXTENSION_BACKGROUND_PAGE) {
     NOTREACHED();
   }
   return window_id;
 }