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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/browser/net/predictor_tab_helper.h" | 5 #include "chrome/browser/net/predictor_tab_helper.h" |
6 | 6 |
7 #include "base/feature_list.h" | |
8 #include "chrome/browser/net/predictor.h" | 7 #include "chrome/browser/net/predictor.h" |
9 #include "chrome/browser/profiles/profile.h" | 8 #include "chrome/browser/profiles/profile.h" |
| 9 #include "chrome/common/chrome_features.h" |
10 #include "chrome/common/url_constants.h" | 10 #include "chrome/common/url_constants.h" |
11 #include "content/public/browser/navigation_handle.h" | 11 #include "content/public/browser/navigation_handle.h" |
12 #include "content/public/common/browser_side_navigation_policy.h" | 12 #include "content/public/common/browser_side_navigation_policy.h" |
13 | 13 |
14 #if defined(OS_CHROMEOS) | 14 #if defined(OS_CHROMEOS) |
15 #include "chrome/browser/chromeos/profiles/profile_helper.h" | 15 #include "chrome/browser/chromeos/profiles/profile_helper.h" |
16 #endif // defined(OS_CHROMEOS) | 16 #endif // defined(OS_CHROMEOS) |
17 | 17 |
18 DEFINE_WEB_CONTENTS_USER_DATA_KEY(chrome_browser_net::PredictorTabHelper); | 18 DEFINE_WEB_CONTENTS_USER_DATA_KEY(chrome_browser_net::PredictorTabHelper); |
19 | 19 |
20 namespace chrome_browser_net { | 20 namespace chrome_browser_net { |
21 | 21 |
22 namespace { | |
23 | |
24 // Triggers the preconnector on renderer-initiated navigations. This captures | |
25 // more navigations. | |
26 const base::Feature kPreconnectMore{"PreconnectMore", | |
27 base::FEATURE_DISABLED_BY_DEFAULT}; | |
28 | |
29 } // namespace | |
30 | |
31 PredictorTabHelper::PredictorTabHelper(content::WebContents* web_contents) | 22 PredictorTabHelper::PredictorTabHelper(content::WebContents* web_contents) |
32 : content::WebContentsObserver(web_contents), | 23 : content::WebContentsObserver(web_contents), |
33 predicted_from_pending_entry_(false) { | 24 predicted_from_pending_entry_(false) { |
34 } | 25 } |
35 | 26 |
36 PredictorTabHelper::~PredictorTabHelper() { | 27 PredictorTabHelper::~PredictorTabHelper() { |
37 } | 28 } |
38 | 29 |
39 void PredictorTabHelper::DidStartNavigation( | 30 void PredictorTabHelper::DidStartNavigation( |
40 content::NavigationHandle* navigation_handle) { | 31 content::NavigationHandle* navigation_handle) { |
41 if (!base::FeatureList::IsEnabled(kPreconnectMore) && | 32 if (!base::FeatureList::IsEnabled(features::kPreconnectMore) && |
42 (!content::IsBrowserSideNavigationEnabled() || | 33 (!content::IsBrowserSideNavigationEnabled() || |
43 navigation_handle->IsRendererInitiated())) | 34 navigation_handle->IsRendererInitiated())) |
44 return; | 35 return; |
45 // Subframe navigations are handled in WitnessURLRequest. | 36 // Subframe navigations are handled in WitnessURLRequest. |
46 if (!navigation_handle->IsInMainFrame()) | 37 if (!navigation_handle->IsInMainFrame()) |
47 return; | 38 return; |
48 if (predicted_from_pending_entry_) { | 39 if (predicted_from_pending_entry_) { |
49 predicted_from_pending_entry_ = false; | 40 predicted_from_pending_entry_ = false; |
50 return; | 41 return; |
51 } | 42 } |
(...skipping 27 matching lines...) Expand all Loading... |
79 | 70 |
80 void PredictorTabHelper::PreconnectUrl(const GURL& url) { | 71 void PredictorTabHelper::PreconnectUrl(const GURL& url) { |
81 Profile* profile = | 72 Profile* profile = |
82 Profile::FromBrowserContext(web_contents()->GetBrowserContext()); | 73 Profile::FromBrowserContext(web_contents()->GetBrowserContext()); |
83 Predictor* predictor(profile->GetNetworkPredictor()); | 74 Predictor* predictor(profile->GetNetworkPredictor()); |
84 if (predictor && url.SchemeIsHTTPOrHTTPS()) | 75 if (predictor && url.SchemeIsHTTPOrHTTPS()) |
85 predictor->PreconnectUrlAndSubresources(url, GURL()); | 76 predictor->PreconnectUrlAndSubresources(url, GURL()); |
86 } | 77 } |
87 | 78 |
88 } // namespace chrome_browser_net | 79 } // namespace chrome_browser_net |
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