Move LoadHTMLString method from WebFrame to WebLocalFrame.

third_party/WebKit/public/web/WebLocalFrame.h

Index: third_party/WebKit/public/web/WebLocalFrame.h
diff --git a/third_party/WebKit/public/web/WebLocalFrame.h b/third_party/WebKit/public/web/WebLocalFrame.h
index 0e7ac509b37c9af1e6e7ed4a096fc5fb367d95a6..e768600fd6366332fb1e07ce54872a1e17e1e57a 100644
--- a/third_party/WebKit/public/web/WebLocalFrame.h
+++ b/third_party/WebKit/public/web/WebLocalFrame.h
@@ -25,6 +25,7 @@ class InterfaceProvider;
 class InterfaceRegistry;
 class WebAutofillClient;
 class WebContentSettingsClient;
+class WebData;
 class WebDevToolsAgent;
 class WebDevToolsAgentClient;
 class WebDoubleSize;
@@ -153,6 +154,13 @@ class WebLocalFrame : public WebFrame {
                     WebHistoryLoadType = kWebHistoryDifferentDocumentLoad,
                     bool is_client_redirect = false) = 0;
 
+  // This method is short-hand for calling LoadData, where mime_type is
+  // "text/html" and text_encoding is "UTF-8".
+  virtual void LoadHTMLString(const WebData& html,
+                              const WebURL& base_url,
+                              const WebURL& unreachable_url = WebURL(),
+                              bool replace = false) = 0;
+
   // Loads the given data with specific mime type and optional text
   // encoding.  For HTML data, baseURL indicates the security origin of
   // the document and is used to resolve links.  If specified,