Move the web dialogs code to src/ui/web_dialogs from src/chrome

chrome/browser/ui/browser.h

Index: chrome/browser/ui/browser.h
diff --git a/chrome/browser/ui/browser.h b/chrome/browser/ui/browser.h
index 8d74a1add2c055f97f94b4664b273bffe235f1f7..67f431fcdc6b4585d38875b167585513f0d5b647 100644
--- a/chrome/browser/ui/browser.h
+++ b/chrome/browser/ui/browser.h
@@ -68,7 +68,6 @@ class StatusBubble;
 class TabNavigation;
 class TabStripModel;
 struct WebApplicationInfo;
-class WebDialogDelegate;
 
 namespace content {
 class NavigationController;
@@ -83,6 +82,10 @@ namespace gfx {
 class Point;
 }
 
+namespace ui {
+class WebDialogDelegate;
+}
+
 class Browser : public TabStripModelDelegate,
                 public TabStripModelObserver,
                 public content::WebContentsDelegate,
@@ -448,7 +451,7 @@ class Browser : public TabStripModelDelegate,
   // is the window that should be parent of the dialog, or NULL for the default.
   // |style| customizes this HTML dialog decoration and layout (X button,
   // throbber, default content padding).
-  gfx::NativeWindow BrowserShowWebDialog(WebDialogDelegate* delegate,
+  gfx::NativeWindow BrowserShowWebDialog(ui::WebDialogDelegate* delegate,
                                          gfx::NativeWindow parent_window);
 
   // Called when a popup select is about to be displayed.