chrome/browser/ui: Put browser_dialogs.h into chrome namespace.

BUG=133088
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Review URL: https://chromiumcodereview.appspot.com/10703061

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@145141 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/printing/print_dialog_cloud.cc b/chrome/browser/printing/print_dialog_cloud.cc
index 5a5c157..02c1231 100644
--- a/chrome/browser/printing/print_dialog_cloud.cc
+++ b/chrome/browser/printing/print_dialog_cloud.cc
@@ -690,9 +690,9 @@
 #if defined(OS_WIN)
   gfx::NativeWindow window =
 #endif
-      browser::ShowWebDialog(modal_parent,
-                             Profile::FromBrowserContext(browser_context),
-                             dialog_delegate);
+      chrome::ShowWebDialog(modal_parent,
+                            Profile::FromBrowserContext(browser_context),
+                            dialog_delegate);
 #if defined(OS_WIN)
   if (!path_to_file.empty() && window) {
     HWND dialog_handle;