customtabs: Pre-create a renderer in mayLaunchUrl().

chrome/browser/android/tab_android.cc

 // 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.
 
 #include "chrome/browser/android/tab_android.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_array.h"
 #include "base/android/jni_string.h"
 #include "base/metrics/histogram.h"
@@ skipping 509 matching lines @@
   Profile* profile = GetProfile();
   if (!profile)
     return base::android::ScopedJavaLocalRef<jobject>();
   ProfileAndroid* profile_android = ProfileAndroid::FromProfile(profile);
   if (!profile_android)
     return base::android::ScopedJavaLocalRef<jobject>();
 
   return profile_android->GetJavaObject();
 }
 
-TabAndroid::TabLoadStatus TabAndroid::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,
-                                              jboolean is_renderer_initiated,
-                                              jlong intent_received_timestamp,
-                                              jboolean has_user_gesture) {
+TabAndroid::TabLoadStatus TabAndroid::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,
+    jboolean is_renderer_initiated,
+    jboolean should_replace_current_entry,
+    jlong intent_received_timestamp,
+    jboolean has_user_gesture) {
   if (!web_contents())
     return PAGE_LOAD_FAILED;
 
   GURL gurl(base::android::ConvertJavaStringToUTF8(env, url));
   if (gurl.is_empty())
     return PAGE_LOAD_FAILED;
 
   // If the page was prerendered, use it.
   // Note in incognito mode, we don't have a PrerenderManager.
 
@@ skipping 61 matching lines @@
         search::ExtractSearchTermsFromURL(GetProfile(), gurl);
     SearchTabHelper* search_tab_helper =
         SearchTabHelper::FromWebContents(web_contents_.get());
     if (!search_terms.empty() && search_tab_helper &&
         search_tab_helper->SupportsInstant()) {
       EmbeddedSearchRequestParams request_params(gurl);
       search_tab_helper->Submit(search_terms, request_params);
       return DEFAULT_PAGE_LOAD;
     }
     load_params.is_renderer_initiated = is_renderer_initiated;
+    load_params.should_replace_current_entry = should_replace_current_entry;
     load_params.intent_received_timestamp = intent_received_timestamp;
     load_params.has_user_gesture = has_user_gesture;
     web_contents()->GetController().LoadURLWithParams(load_params);
   }
   return DEFAULT_PAGE_LOAD;
 }
 
 void TabAndroid::SetActiveNavigationEntryTitleForUrl(JNIEnv* env,
                                                      jobject obj,
                                                      jstring jurl,
@@ skipping 267 matching lines @@
   //   s^{n+1} / s^{n} = 2100 / 2000
   //   s = 1.05
   //   s^b = 60000
   //   b = ln(60000) / ln(1.05) ~= 225
   UMA_HISTOGRAM_CUSTOM_TIMES("Startup.FirstCommitNavigationTime",
       base::Time::Now() - chrome::android::GetMainEntryPointTime(),
       base::TimeDelta::FromMilliseconds(1),
       base::TimeDelta::FromMinutes(1),
       225);
 }