Move GetDocument method from WebFrame to WebLocalFrame.

chrome/renderer/web_apps.h

Index: chrome/renderer/web_apps.h
diff --git a/chrome/renderer/web_apps.h b/chrome/renderer/web_apps.h
index 80a1180a42bb17ee0d14b4df3e803d202cd35fef..0437286b60b6915d1a5c067b2a1c536cc8e8f051 100644
--- a/chrome/renderer/web_apps.h
+++ b/chrome/renderer/web_apps.h
@@ -12,7 +12,7 @@
 #include "ui/gfx/geometry/size.h"
 
 namespace blink {
-class WebFrame;
+class WebLocalFrame;
 }
 
 struct WebApplicationInfo;
@@ -30,7 +30,7 @@ bool ParseIconSizes(const base::string16& text, std::vector<gfx::Size>* sizes,
 // Parses |app_info| information out of the document in WebFrame. Note that the
 // document may contain no web application information, in which case |app_info|
 // is unchanged.
-void ParseWebAppFromWebDocument(blink::WebFrame* frame,
+void ParseWebAppFromWebDocument(blink::WebLocalFrame* frame,
                                 WebApplicationInfo* app_info);
 
 }  // namespace web_apps