Move JavaScriptDialogManager, JavascriptAppModalDialogViews to components/app_modal_dialogs

chrome/browser/chrome_browser_main.cc

Index: chrome/browser/chrome_browser_main.cc
diff --git a/chrome/browser/chrome_browser_main.cc b/chrome/browser/chrome_browser_main.cc
index 48e78ea8a92c668dd6211a47ed568f96ede7503c..b1cef215e9409a9ac67e2d9d83154cb00575924e 100644
--- a/chrome/browser/chrome_browser_main.cc
+++ b/chrome/browser/chrome_browser_main.cc
@@ -190,12 +190,17 @@
 #if defined(ENABLE_EXTENSIONS)
 #include "chrome/browser/extensions/startup_helper.h"
 #include "extensions/browser/extension_protocols.h"
+#include "extensions/components/javascript_dialog_extensions_client/javascript_dialog_extension_client_impl.h"
 #endif
 
 #if defined(ENABLE_FULL_PRINTING) && !defined(OFFICIAL_BUILD)
 #include "printing/printed_document.h"
 #endif
 
+#if !defined(OS_IOS)
+#include "chrome/browser/ui/app_modal_dialogs/chrome_javascript_native_dialog_factory.h"
+#endif
+
 #if defined(ENABLE_RLZ)
 #include "chrome/browser/rlz/rlz.h"
 #endif
@@ -1061,6 +1066,14 @@ void ChromeBrowserMainParts::PreProfileInit() {
         base::Bind(&ProfileManager::CleanUpStaleProfiles, profiles_to_delete));
   }
 #endif  // OS_ANDROID
+
+#if defined(ENABLE_EXTENSIONS)
+  InstallJavaScriptDialogExtensionsClient();
+#endif
+
+#if !defined(OS_IOS)
+  InstallChromeJavaScriptNativeDialogFactory();
+#endif
 }
 
 void ChromeBrowserMainParts::PostProfileInit() {