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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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/prerender/prerender_tab_helper.h" | 5 #include "chrome/browser/prerender/prerender_tab_helper.h" |
| 6 | 6 |
| 7 #include "base/bind.h" | 7 #include "base/bind.h" |
| 8 #include "base/metrics/histogram_macros.h" | 8 #include "base/metrics/histogram_macros.h" |
| 9 #include "base/time/time.h" | 9 #include "base/time/time.h" |
| 10 #include "chrome/browser/prerender/prerender_histograms.h" | 10 #include "chrome/browser/prerender/prerender_histograms.h" |
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| 88 } | 88 } |
| 89 } | 89 } |
| 90 | 90 |
| 91 // Reset the PPLT metric. | 91 // Reset the PPLT metric. |
| 92 pplt_load_start_ = base::TimeTicks(); | 92 pplt_load_start_ = base::TimeTicks(); |
| 93 actual_load_start_ = base::TimeTicks(); | 93 actual_load_start_ = base::TimeTicks(); |
| 94 } | 94 } |
| 95 | 95 |
| 96 void PrerenderTabHelper::DidStartNavigation( | 96 void PrerenderTabHelper::DidStartNavigation( |
| 97 content::NavigationHandle* navigation_handle) { | 97 content::NavigationHandle* navigation_handle) { |
| 98 if (navigation_handle->IsSamePage()) | 98 if (navigation_handle->IsSameDocument()) |
| 99 return; | 99 return; |
| 100 | 100 |
| 101 // Determine the navigation type. | 101 // Determine the navigation type. |
| 102 PrerenderManager* prerender_manager = MaybeGetPrerenderManager(); | 102 PrerenderManager* prerender_manager = MaybeGetPrerenderManager(); |
| 103 if (prerender_manager && | 103 if (prerender_manager && |
| 104 prerender_manager->IsWebContentsPrerendering(web_contents(), &origin_)) { | 104 prerender_manager->IsWebContentsPrerendering(web_contents(), &origin_)) { |
| 105 navigation_type_ = NAVIGATION_TYPE_PRERENDERED; | 105 navigation_type_ = NAVIGATION_TYPE_PRERENDERED; |
| 106 } else { | 106 } else { |
| 107 navigation_type_ = NAVIGATION_TYPE_NORMAL; | 107 navigation_type_ = NAVIGATION_TYPE_NORMAL; |
| 108 } | 108 } |
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| 168 PrerenderManager* prerender_manager = MaybeGetPrerenderManager(); | 168 PrerenderManager* prerender_manager = MaybeGetPrerenderManager(); |
| 169 if (!prerender_manager) | 169 if (!prerender_manager) |
| 170 return; | 170 return; |
| 171 | 171 |
| 172 prerender_manager->RecordPerceivedPageLoadTime( | 172 prerender_manager->RecordPerceivedPageLoadTime( |
| 173 origin_, navigation_type_, perceived_page_load_time, | 173 origin_, navigation_type_, perceived_page_load_time, |
| 174 fraction_plt_elapsed_at_swap_in, url_); | 174 fraction_plt_elapsed_at_swap_in, url_); |
| 175 } | 175 } |
| 176 | 176 |
| 177 } // namespace prerender | 177 } // namespace prerender |
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