[Android] Move LoadUrl from Tab upstream.

chrome/browser/android/tab_android.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_ANDROID_TAB_ANDROID_H_
 #define CHROME_BROWSER_ANDROID_TAB_ANDROID_H_
 
 #include <jni.h>
 
 #include "base/android/jni_helper.h"
@@ skipping 19 matching lines @@
 namespace android {
 class ChromeWebContentsDelegateAndroid;
 }
 }
 
 namespace content {
 class ContentViewCore;
 class WebContents;
 }
 
+namespace prerender {
+class PrerenderManager;
+}
+
 class TabAndroid : public CoreTabHelperDelegate,
                    public content::NotificationObserver {
  public:
+  enum TabLoadStatus {
+#define DEFINE_TAB_LOAD_STATUS(name, value)  name = value,
+#include "chrome/browser/android/tab_load_status.h"
+#undef DEFINE_TAB_LOAD_STATUS
+  };
+
   // Convenience method to retrieve the Tab associated with the passed
   // WebContents.  Can return NULL.
   static TabAndroid* FromWebContents(content::WebContents* web_contents);
 
   // Returns the native TabAndroid stored in the Java Tab represented by
   // |obj|.
   static TabAndroid* GetNativeTab(JNIEnv* env, jobject obj);
 
   TabAndroid(JNIEnv* env, jobject obj);
   virtual ~TabAndroid();
@@ skipping 47 matching lines @@
                             bool is_folder,
                             bool is_partner_bookmark);
 
   // Called to notify that the new tab page has completely rendered.
   virtual void OnNewTabPageReady();
 
   // Called to determine if chrome://welcome should contain links to the terms
   // of service and the privacy notice.
   virtual bool ShouldWelcomePageLinkToTermsOfService();
 
-  // Register the Tab's native methods through JNI.
-  static bool RegisterTabAndroid(JNIEnv* env);
+  bool HasPrerenderedUrl(GURL gurl);
 
   // CoreTabHelperDelegate ----------------------------------------------------
 
   virtual void SwapTabContents(content::WebContents* old_contents,
                                content::WebContents* new_contents,
                                bool did_start_load,
                                bool did_finish_load) OVERRIDE;
 
   // NotificationObserver -----------------------------------------------------
   virtual void Observe(int type,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
   // Methods called from Java via JNI -----------------------------------------
 
   virtual void Destroy(JNIEnv* env, jobject obj);
   virtual void InitWebContents(JNIEnv* env,
                                jobject obj,
                                jboolean incognito,
                                jobject jcontent_view_core,
                                jobject jweb_contents_delegate,
                                jobject jcontext_menu_populator);
   virtual void DestroyWebContents(JNIEnv* env,
                                   jobject obj,
                                   jboolean delete_native);
   base::android::ScopedJavaLocalRef<jobject> GetWebContents(JNIEnv* env,
                                                             jobject obj);
   base::android::ScopedJavaLocalRef<jobject> GetProfileAndroid(JNIEnv* env,
                                                                jobject obj);
+  virtual TabLoadStatus LoadUrl(JNIEnv* env,
+                                jobject obj,
+                                jstring url,
+                                jstring j_extra_headers,
+                                jbyteArray j_post_data,
+                                jint page_transition,
+                                jstring j_referrer_url,
+                                jint referrer_policy);
   ToolbarModel::SecurityLevel GetSecurityLevel(JNIEnv* env, jobject obj);
   void SetActiveNavigationEntryTitleForUrl(JNIEnv* env,
                                            jobject obj,
                                            jstring jurl,
                                            jstring jtitle);
   bool Print(JNIEnv* env, jobject obj);
 
+  // Register the Tab's native methods through JNI.
+  static bool RegisterTabAndroid(JNIEnv* env);
+
  private:
+  prerender::PrerenderManager* GetPrerenderManager() const;
+
   JavaObjectWeakGlobalRef weak_java_tab_;
 
   // The identifier used by session restore for this tab.
   SessionID session_tab_id_;
 
   // Identifier of the window the tab is in.
   SessionID session_window_id_;
 
   content::NotificationRegistrar notification_registrar_;
 
   scoped_ptr<content::WebContents> web_contents_;
   scoped_ptr<chrome::android::ChromeWebContentsDelegateAndroid>
       web_contents_delegate_;
 
   scoped_ptr<browser_sync::SyncedTabDelegateAndroid> synced_tab_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(TabAndroid);
 };
 
 #endif  // CHROME_BROWSER_ANDROID_TAB_ANDROID_H_