Implement learn more bubble on views.

chrome/browser/ui/views/autofill/autofill_dialog_views.h

Index: chrome/browser/ui/views/autofill/autofill_dialog_views.h
diff --git a/chrome/browser/ui/views/autofill/autofill_dialog_views.h b/chrome/browser/ui/views/autofill/autofill_dialog_views.h
index defdb5293f83c5323c632da2f73d2f68aad6a3df..a6b1fdca2c744816cb1171949c90416f725b1f02 100644
--- a/chrome/browser/ui/views/autofill/autofill_dialog_views.h
+++ b/chrome/browser/ui/views/autofill/autofill_dialog_views.h
@@ -15,6 +15,7 @@
 #include "chrome/browser/ui/autofill/autofill_dialog_view.h"
 #include "chrome/browser/ui/autofill/autofill_dialog_view_delegate.h"
 #include "chrome/browser/ui/autofill/testable_autofill_dialog_view.h"
+#include "chrome/browser/ui/views/autofill/learn_more_icon.h"
 #include "ui/views/bubble/bubble_delegate.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/button/menu_button.h"
@@ -68,7 +69,8 @@ class AutofillDialogViews : public AutofillDialogView,
                             public views::FocusChangeListener,
                             public views::ComboboxListener,
                             public views::StyledLabelListener,
-                            public views::MenuButtonListener {
+                            public views::MenuButtonListener,
+                            public LearnMoreIconDelegate {
  public:
   explicit AutofillDialogViews(AutofillDialogViewDelegate* delegate);
   virtual ~AutofillDialogViews();
@@ -170,6 +172,10 @@ class AutofillDialogViews : public AutofillDialogView,
   virtual void OnMenuButtonClicked(views::View* source,
                                    const gfx::Point& point) OVERRIDE;
 
+  // LearnMoreIconDelegate implementation.
+  virtual void OnLearnMoreIconMouseEntered(LearnMoreIcon* icon) OVERRIDE;
+  virtual void OnLearnMoreIconMouseExited(LearnMoreIcon* icon) OVERRIDE;
+
  protected:
   // Exposed for testing.
   views::View* GetLoadingShieldForTesting();
@@ -187,12 +193,12 @@ class AutofillDialogViews : public AutofillDialogView,
   };
 
   // A class that creates and manages a widget for error messages.
-  class ErrorBubble : public views::BubbleDelegateView {
+  class InfoBubble : public views::BubbleDelegateView {
    public:
-    ErrorBubble(views::View* anchor,
-                views::View* anchor_container,
-                const base::string16& message);
-    virtual ~ErrorBubble();
+    InfoBubble(views::View* anchor,
+               const base::string16& message,
+               bool snap_to_grid);
+    virtual ~InfoBubble();
 
     // Updates the position of the bubble.
     void UpdatePosition();
@@ -227,8 +233,9 @@ class AutofillDialogViews : public AutofillDialogView,
 
     // Whether the bubble should be shown above the anchor (default is below).
     const bool show_above_anchor_;
+    const bool snap_to_grid_;
 
-    DISALLOW_COPY_AND_ASSIGN(ErrorBubble);
+    DISALLOW_COPY_AND_ASSIGN(InfoBubble);
   };
 
   // A View which displays the currently selected account and lets the user
@@ -312,7 +319,9 @@ class AutofillDialogViews : public AutofillDialogView,
   // An area for notifications. Some notifications point at the account chooser.
   class NotificationArea : public views::View {
    public:
-    explicit NotificationArea(AutofillDialogViewDelegate* delegate);
+    explicit NotificationArea(
+        AutofillDialogViewDelegate* delegate,
+        const base::WeakPtr<LearnMoreIconDelegate>& icon_delegate);
     virtual ~NotificationArea();
 
     // Displays the given notifications.
@@ -338,6 +347,10 @@ class AutofillDialogViews : public AutofillDialogView,
     // Used to report when checkboxes change their values.
     AutofillDialogViewDelegate* delegate_;  // weak
 
+    // A weak pointer to the delegate that should be passed to any created
+    // LearnMoreIcons (see: |SetNotifications()|).
+    base::WeakPtr<LearnMoreIconDelegate> icon_delegate_;
+
     // If HasArrow() is true, the arrow should point at this.
     base::WeakPtr<views::View> arrow_centering_anchor_;
 
@@ -586,8 +599,12 @@ class AutofillDialogViews : public AutofillDialogView,
   // |validity_map_|.
   void ShowErrorBubbleForViewIfNecessary(views::View* view);
 
-  // Hides |error_bubble_| (if it exists).
+  // Shows an informational "learn more" bubble pointing at |icon|.
+  void ShowLearnMoreBubbleIfNecessary(LearnMoreIcon* icon);
+
+  // Hides |error_bubble_| or |learn_more_bubble_| (if they exist).
   void HideErrorBubble();
+  void HideLearnMoreBubble();
 
   // Updates validity of the inputs in |section| with new |validity_messages|.
   // Fields are only updated with unsure messages if |overwrite_valid| is true.
@@ -711,8 +728,9 @@ class AutofillDialogViews : public AutofillDialogView,
   // The focus manager for |window_|.
   views::FocusManager* focus_manager_;
 
-  // The object that manages the error bubble widget.
-  ErrorBubble* error_bubble_;  // Weak; owns itself.
+  // Bubbles to show validation errors or informational messages.
+  InfoBubble* error_bubble_;  // Weak; owns itself.
+  InfoBubble* learn_more_bubble_;  // Weak; owns itself.
 
   // Map from input view (textfield or combobox) to error string.
   std::map<views::View*, base::string16> validity_map_;
@@ -722,6 +740,8 @@ class AutofillDialogViews : public AutofillDialogView,
   // Delegate for the sign-in dialog's webview.
   scoped_ptr<AutofillDialogSignInDelegate> sign_in_delegate_;
 
+  base::WeakPtrFactory<AutofillDialogViews> weak_ptr_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(AutofillDialogViews);
 };