Fix sizing issues in the tab modal signin flow.

chrome/browser/ui/webui/signin/inline_login_handler.cc

 // Copyright 2013 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/ui/webui/signin/inline_login_handler.h"
 
 #include <limits.h>
 
 #include "base/bind.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/signin/gaia_auth_extension_loader.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/signin/signin_promo.h"
+#include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/browser_navigator_params.h"
+#include "chrome/browser/ui/signin_view_controller_delegate.h"
 #include "chrome/common/pref_names.h"
 #include "components/metrics/metrics_pref_names.h"
 #include "components/prefs/pref_service.h"
 #include "components/signin/core/common/signin_pref_names.h"
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 #include "google_apis/gaia/gaia_urls.h"
 #include "net/base/url_util.h"
 
+namespace {
+
+Browser* GetDesktopBrowser(content::WebUI* web_ui) {
+  Browser* browser = chrome::FindBrowserWithWebContents(
+      web_ui->GetWebContents());
+  if (!browser)
+    browser = chrome::FindLastActiveWithProfile(Profile::FromWebUI(web_ui));
+  DCHECK(browser);
+  return browser;
+}
+
+}  // namespace
+
 InlineLoginHandler::InlineLoginHandler() : weak_ptr_factory_(this) {}
 
 InlineLoginHandler::~InlineLoginHandler() {}
 
 void InlineLoginHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback("initialize",
       base::Bind(&InlineLoginHandler::HandleInitializeMessage,
                   base::Unretained(this)));
   web_ui()->RegisterMessageCallback("completeLogin",
       base::Bind(&InlineLoginHandler::HandleCompleteLoginMessage,
                   base::Unretained(this)));
   web_ui()->RegisterMessageCallback(
       "switchToFullTab",
       base::Bind(&InlineLoginHandler::HandleSwitchToFullTabMessage,
                  base::Unretained(this)));
+  web_ui()->RegisterMessageCallback("navigationButtonClicked",
+      base::Bind(&InlineLoginHandler::HandleNavigationButtonClicked,
+                 base::Unretained(this)));
 }
 
 void InlineLoginHandler::HandleInitializeMessage(const base::ListValue* args) {
   content::WebContents* contents = web_ui()->GetWebContents();
   content::StoragePartition* partition =
       content::BrowserContext::GetStoragePartitionForSite(
           contents->GetBrowserContext(), signin::GetSigninPartitionURL());
   if (partition) {
     partition->ClearData(
         content::StoragePartition::REMOVE_DATA_MASK_ALL,
@@ skipping 173 matching lines @@
 
   chrome::NavigateParams params(
       profile,
       net::AppendOrReplaceQueryParameter(
           main_frame_url, signin::kSignInPromoQueryKeyConstrained, "0"),
       ui::PAGE_TRANSITION_AUTO_TOPLEVEL);
   chrome::Navigate(&params);
 
   web_ui()->CallJavascriptFunction("inline.login.closeDialog");
 }
+
+void InlineLoginHandler::HandleNavigationButtonClicked(
+    const base::ListValue* args) {
+  Browser* browser = GetDesktopBrowser(web_ui());
+  DCHECK(browser);
+
+  browser->signin_view_controller()->delegate()->PerformNavigation();
+}