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

chrome/browser/tab_contents/tab_contents.h

Index: chrome/browser/tab_contents/tab_contents.h
===================================================================
--- chrome/browser/tab_contents/tab_contents.h	(revision 71863)
+++ chrome/browser/tab_contents/tab_contents.h	(working copy)
@@ -69,7 +69,7 @@
 class InfoBarDelegate;
 class LoadNotificationDetails;
 class OmniboxSearchHint;
-class PluginInstaller;
+class PluginInstallerInfoBarDelegate;
 class Profile;
 class PrerenderManager;
 struct RendererPreferences;
@@ -150,8 +150,8 @@
   // Returns true if contains content rendered by an extension.
   bool HostsExtension() const;
 
-  // Returns the PluginInstaller, creating it if necessary.
-  PluginInstaller* GetPluginInstaller();
+  // Returns the PluginInstallerInfoBarDelegate, creating it if necessary.
+  PluginInstallerInfoBarDelegate* GetPluginInstaller();
 
   // Returns the TabContentsSSLHelper, creating it if necessary.
   TabContentsSSLHelper* GetSSLHelper();
@@ -1131,8 +1131,8 @@
   // AutoFillManager.
   scoped_ptr<AutoFillManager> autofill_manager_;
 
-  // PluginInstaller, lazily created.
-  scoped_ptr<PluginInstaller> plugin_installer_;
+  // PluginInstallerInfoBarDelegate, lazily created.
+  scoped_ptr<PluginInstallerInfoBarDelegate> plugin_installer_;
 
   // TabContentsSSLHelper, lazily created.
   scoped_ptr<TabContentsSSLHelper> ssl_helper_;