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Issue 12207058: Connect SparseHistogram with the rest of stats system (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fix and add tests Created 7 years, 10 months ago
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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 "content/renderer/dom_automation_controller.h" 5 #include "content/renderer/dom_automation_controller.h"
6 6
7 #include "base/bind.h" 7 #include "base/bind.h"
8 #include "base/bind_helpers.h" 8 #include "base/bind_helpers.h"
9 #include "base/json/json_string_value_serializer.h" 9 #include "base/json/json_string_value_serializer.h"
10 #include "base/metrics/histogram.h" 10 #include "base/metrics/histogram.h"
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177 automation_id_ = args[0].ToInt32(); 177 automation_id_ = args[0].ToInt32();
178 result->Set(true); 178 result->Set(true);
179 } 179 }
180 180
181 void DomAutomationController::GetHistogram(const CppArgumentList& args, 181 void DomAutomationController::GetHistogram(const CppArgumentList& args,
182 CppVariant* result) { 182 CppVariant* result) {
183 if (args.size() != 1) { 183 if (args.size() != 1) {
184 result->SetNull(); 184 result->SetNull();
185 return; 185 return;
186 } 186 }
187 base::Histogram* histogram = 187 base::HistogramBase* histogram =
188 base::StatisticsRecorder::FindHistogram(args[0].ToString()); 188 base::StatisticsRecorder::FindHistogram(args[0].ToString());
189 std::string output; 189 std::string output;
190 if (!histogram) { 190 if (!histogram) {
191 output = "{}"; 191 output = "{}";
192 } else { 192 } else {
193 histogram->WriteJSON(&output); 193 histogram->WriteJSON(&output);
194 } 194 }
195 result->Set(output); 195 result->Set(output);
196 } 196 }
197 197
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208 return; 208 return;
209 } 209 }
210 210
211 std::string histogram_json; 211 std::string histogram_json;
212 sender_->Send(new ChildProcessHostMsg_GetBrowserHistogram( 212 sender_->Send(new ChildProcessHostMsg_GetBrowserHistogram(
213 args[0].ToString(), &histogram_json)); 213 args[0].ToString(), &histogram_json));
214 result->Set(histogram_json); 214 result->Set(histogram_json);
215 } 215 }
216 216
217 } // namespace content 217 } // namespace content
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