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Side by Side Diff: chrome/browser/predictors/resource_prefetch_predictor_tables.cc

Issue 2184323003: predictors: Support fonts in resource_prefetch_predictors. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Address comments. Created 4 years, 4 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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/predictors/resource_prefetch_predictor_tables.h" 5 #include "chrome/browser/predictors/resource_prefetch_predictor_tables.h"
6 6
7 #include <stdint.h> 7 #include <stdint.h>
8 8
9 #include <algorithm> 9 #include <algorithm>
10 #include <memory> 10 #include <memory>
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97 resource_url(i_resource_url), 97 resource_url(i_resource_url),
98 resource_type(i_resource_type), 98 resource_type(i_resource_type),
99 number_of_hits(i_number_of_hits), 99 number_of_hits(i_number_of_hits),
100 number_of_misses(i_number_of_misses), 100 number_of_misses(i_number_of_misses),
101 consecutive_misses(i_consecutive_misses), 101 consecutive_misses(i_consecutive_misses),
102 average_position(i_average_position) { 102 average_position(i_average_position) {
103 UpdateScore(); 103 UpdateScore();
104 } 104 }
105 105
106 void ResourcePrefetchPredictorTables::ResourceRow::UpdateScore() { 106 void ResourcePrefetchPredictorTables::ResourceRow::UpdateScore() {
107 // The score is calculated so that when the rows are sorted, the stylesheets 107 // The score is calculated so that when the rows are sorted, stylesheets,
108 // and scripts appear first, sorted by position(ascending) and then the rest 108 // scripts and fonts appear first, sorted by position(ascending) and then the
109 // of the resources sorted by position(ascending). 109 // rest of the resources sorted by position (ascending).
110 static const int kMaxResourcesPerType = 100; 110 static const int kMaxResourcesPerType = 100;
111 switch (resource_type) { 111 switch (resource_type) {
112 case content::RESOURCE_TYPE_STYLESHEET: 112 case content::RESOURCE_TYPE_STYLESHEET:
113 case content::RESOURCE_TYPE_SCRIPT: 113 case content::RESOURCE_TYPE_SCRIPT:
114 case content::RESOURCE_TYPE_FONT_RESOURCE:
114 score = (2 * kMaxResourcesPerType) - average_position; 115 score = (2 * kMaxResourcesPerType) - average_position;
115 break; 116 break;
116 117
117 case content::RESOURCE_TYPE_IMAGE: 118 case content::RESOURCE_TYPE_IMAGE:
118 default: 119 default:
119 score = kMaxResourcesPerType - average_position; 120 score = kMaxResourcesPerType - average_position;
120 break; 121 break;
121 } 122 }
122 } 123 }
123 124
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511 512
512 Statement* ResourcePrefetchPredictorTables::GetHostMetadataUpdateStatement() { 513 Statement* ResourcePrefetchPredictorTables::GetHostMetadataUpdateStatement() {
513 return new Statement(DB()->GetCachedStatement( 514 return new Statement(DB()->GetCachedStatement(
514 SQL_FROM_HERE, 515 SQL_FROM_HERE,
515 base::StringPrintf( 516 base::StringPrintf(
516 "INSERT INTO %s (main_page_url, last_visit_time) VALUES (?,?)", 517 "INSERT INTO %s (main_page_url, last_visit_time) VALUES (?,?)",
517 kHostMetadataTableName).c_str())); 518 kHostMetadataTableName).c_str()));
518 } 519 }
519 520
520 } // namespace predictors 521 } // namespace predictors
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