Modify experimental identity flow to display scope descriptions and details.

chrome/browser/extensions/extension_install_prompt.cc

Index: chrome/browser/extensions/extension_install_prompt.cc
diff --git a/chrome/browser/extensions/extension_install_prompt.cc b/chrome/browser/extensions/extension_install_prompt.cc
index e7380735c8ab8de3704296914546dbe211566042..8991a55f559ed3818aabdef68595fe93b53a6e70 100644
--- a/chrome/browser/extensions/extension_install_prompt.cc
+++ b/chrome/browser/extensions/extension_install_prompt.cc
@@ -17,6 +17,8 @@
 #include "chrome/browser/extensions/extension_install_dialog.h"
 #include "chrome/browser/extensions/extension_install_ui.h"
 #include "chrome/browser/profiles/profile.h"
+#include "chrome/browser/signin/token_service.h"
+#include "chrome/browser/signin/token_service_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/tab_contents/tab_contents.h"
@@ -101,6 +103,11 @@ void ExtensionInstallPrompt::Prompt::SetPermissions(
   permissions_ = permissions;
 }
 
+void ExtensionInstallPrompt::Prompt::SetOAuthIssues(
+    const IssueAdviceInfo& issues) {
+  oauth_issues_ = issues;
+}
+
 void ExtensionInstallPrompt::Prompt::SetInlineInstallWebstoreData(
     const std::string& localized_user_count,
     double average_rating,
@@ -208,6 +215,16 @@ string16 ExtensionInstallPrompt::Prompt::GetPermission(size_t index) const {
       IDS_EXTENSION_PERMISSION_LINE, permissions_[index]);
 }
 
+size_t ExtensionInstallPrompt::Prompt::GetOAuthIssueCount() const {
+  return oauth_issues_.size();
+}
+
+const IssueAdviceInfoEntry& ExtensionInstallPrompt::Prompt::GetOAuthIssue(
+    size_t index) const {
+  CHECK_LT(index, oauth_issues_.size());
+  return oauth_issues_[index];
+}
+
 // static
 scoped_refptr<Extension>
     ExtensionInstallPrompt::GetLocalizedExtensionForDisplay(
@@ -246,6 +263,7 @@ ExtensionInstallPrompt::ExtensionInstallPrompt(Browser* browser)
       delegate_(NULL),
       prompt_(UNSET_PROMPT_TYPE),
       prompt_type_(UNSET_PROMPT_TYPE),
+      record_oauth2_grant_(false),
       ALLOW_THIS_IN_INITIALIZER_LIST(tracker_(this)) {
 }
 
@@ -261,7 +279,7 @@ void ExtensionInstallPrompt::ConfirmBundleInstall(
   delegate_ = bundle;
   prompt_type_ = BUNDLE_INSTALL_PROMPT;
 
-  ShowConfirmation();
+  FetchOAuthIssuesIfNeeded();
 }
 
 void ExtensionInstallPrompt::ConfirmInlineInstall(
@@ -277,7 +295,7 @@ void ExtensionInstallPrompt::ConfirmInlineInstall(
   prompt_type_ = INLINE_INSTALL_PROMPT;
 
   SetIcon(icon);
-  ShowConfirmation();
+  FetchOAuthIssuesIfNeeded();
 }
 
 void ExtensionInstallPrompt::ConfirmWebstoreInstall(Delegate* delegate,
@@ -365,13 +383,13 @@ void ExtensionInstallPrompt::OnImageLoaded(const gfx::Image& image,
                                            const std::string& extension_id,
                                            int index) {
   SetIcon(image.IsEmpty() ? NULL : image.ToSkBitmap());
-  ShowConfirmation();
+  FetchOAuthIssuesIfNeeded();
 }
 
 void ExtensionInstallPrompt::LoadImageIfNeeded() {
   // Bundle install prompts do not have an icon.
   if (!icon_.empty()) {
-    ShowConfirmation();
+    FetchOAuthIssuesIfNeeded();
     return;
   }
 
@@ -384,9 +402,54 @@ void ExtensionInstallPrompt::LoadImageIfNeeded() {
                      ImageLoadingTracker::DONT_CACHE);
 }
 
+void ExtensionInstallPrompt::FetchOAuthIssuesIfNeeded() {
+#if !defined(TOOLKIT_GTK)
+  // TODO(estade): Displaying the OAuth issues is not yet implemented except
+  // on desktop linux.
+  ShowConfirmation();
+  return;
+#else
+  const Extension::OAuth2Info& oauth2_info = extension_->oauth2_info();
+  if (oauth2_info.client_id.empty() ||
+      permissions_->scopes().empty() ||
+      prompt_type_ == BUNDLE_INSTALL_PROMPT) {
+    ShowConfirmation();
+    return;
+  }
+
+  Profile* profile = install_ui_->browser()->profile();
+  TokenService* token_service = TokenServiceFactory::GetForProfile(profile);
+  std::vector<std::string> scopes;
+  scopes.assign(permissions_->scopes().begin(), permissions_->scopes().end());
+
+  token_flow_ = new OAuth2MintTokenFlow(
+      profile->GetRequestContext(),
+      this,
+      OAuth2MintTokenFlow::Parameters(
+          token_service->GetOAuth2LoginRefreshToken(),
+          extension_->id(),
+          oauth2_info.client_id,
+          scopes,
+          OAuth2MintTokenFlow::MODE_ISSUE_ADVICE));
+  token_flow_->Start();
+#endif
+}
+
+void ExtensionInstallPrompt::OnIssueAdviceSuccess(
+    const IssueAdviceInfo& advice_info) {
+  prompt_.SetOAuthIssues(advice_info);
+  record_oauth2_grant_ = true;
+  ShowConfirmation();
+}
+
+void ExtensionInstallPrompt::OnMintTokenFailure(
+    const GoogleServiceAuthError& error) {
+  ShowConfirmation();
+}
+
 void ExtensionInstallPrompt::ShowConfirmation() {
-  prompt_.set_type(prompt_type_);
   prompt_.SetPermissions(permissions_->GetWarningMessages());
+  prompt_.set_type(prompt_type_);
 
   switch (prompt_type_) {
     case PERMISSIONS_PROMPT: