summaryrefslogtreecommitdiffstats
path: root/content/renderer/stats_collection_controller.cc
diff options
context:
space:
mode:
Diffstat (limited to 'content/renderer/stats_collection_controller.cc')
-rw-r--r--content/renderer/stats_collection_controller.cc159
1 files changed, 0 insertions, 159 deletions
diff --git a/content/renderer/stats_collection_controller.cc b/content/renderer/stats_collection_controller.cc
deleted file mode 100644
index 9826eef..0000000
--- a/content/renderer/stats_collection_controller.cc
+++ /dev/null
@@ -1,159 +0,0 @@
-// Copyright 2013 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 "content/renderer/stats_collection_controller.h"
-
-#include "base/bind.h"
-#include "base/bind_helpers.h"
-#include "base/json/json_writer.h"
-#include "base/metrics/histogram.h"
-#include "base/metrics/statistics_recorder.h"
-#include "base/string_util.h"
-#include "content/common/child_process_messages.h"
-#include "content/renderer/render_view_impl.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrame.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
-
-using webkit_glue::CppArgumentList;
-using webkit_glue::CppVariant;
-
-namespace content {
-
-namespace {
-
-bool CurrentRenderViewImpl(RenderViewImpl** out) {
- WebKit::WebFrame* web_frame = WebKit::WebFrame::frameForCurrentContext();
- if (!web_frame)
- return false;
-
- WebKit::WebView* web_view = web_frame->view();
- if (!web_view)
- return false;
-
- RenderViewImpl* render_view_impl =
- RenderViewImpl::FromWebView(web_view);
- if (!render_view_impl)
- return false;
-
- *out = render_view_impl;
- return true;
-}
-
-// Encodes a WebContentsLoadTime as JSON.
-// Input:
-// - |load_start_time| - time at which page load started.
-// - |load_stop_time| - time at which page load stopped.
-// - |result| - returned JSON.
-// Example return value:
-// {'load_start_ms': 1, 'load_duration_ms': 2.5}
-// either value may be null if a web contents hasn't fully loaded.
-// load_start_ms is represented as milliseconds since system boot.
-void ConvertLoadTimeToJSON(
- const base::TimeTicks& load_start_time,
- const base::TimeTicks& load_stop_time,
- std::string *result) {
- DictionaryValue item;
-
- if (load_start_time.is_null()) {
- item.Set("load_start_ms", Value::CreateNullValue());
- } else {
- // This code relies on an implementation detail of TimeTicks::Now() - that
- // its return value happens to coincide with the system uptime value in
- // microseconds, on Win/Mac/iOS/Linux/ChromeOS and Android. See comments
- // in base::SysInfo::Uptime().
- item.SetDouble("load_start_ms", load_start_time.ToInternalValue() / 1000);
- }
- if (load_stop_time.is_null() || load_stop_time.is_null()) {
- item.Set("load_duration_ms", Value::CreateNullValue());
- } else {
- item.SetDouble("load_duration_ms",
- (load_stop_time - load_start_time).InMilliseconds());
- }
- base::JSONWriter::Write(&item, result);
-}
-
-} // namespace
-
-StatsCollectionController::StatsCollectionController()
- : sender_(NULL) {
- BindCallback("getHistogram",
- base::Bind(&StatsCollectionController::GetHistogram,
- base::Unretained(this)));
- BindCallback("getBrowserHistogram",
- base::Bind(&StatsCollectionController::GetBrowserHistogram,
- base::Unretained(this)));
- BindCallback("tabLoadTiming",
- base::Bind(
- &StatsCollectionController::GetTabLoadTiming,
- base::Unretained(this)));
-}
-
-void StatsCollectionController::GetHistogram(const CppArgumentList& args,
- CppVariant* result) {
- if (args.size() != 1) {
- result->SetNull();
- return;
- }
- base::HistogramBase* histogram =
- base::StatisticsRecorder::FindHistogram(args[0].ToString());
- std::string output;
- if (!histogram) {
- output = "{}";
- } else {
- histogram->WriteJSON(&output);
- }
- result->Set(output);
-}
-
-void StatsCollectionController::GetBrowserHistogram(const CppArgumentList& args,
- CppVariant* result) {
- if (args.size() != 1) {
- result->SetNull();
- return;
- }
-
- if (!sender_) {
- NOTREACHED();
- result->SetNull();
- return;
- }
-
- std::string histogram_json;
- sender_->Send(new ChildProcessHostMsg_GetBrowserHistogram(
- args[0].ToString(), &histogram_json));
- result->Set(histogram_json);
-}
-
-void StatsCollectionController::GetTabLoadTiming(
- const CppArgumentList& args,
- CppVariant* result) {
- if (!sender_) {
- NOTREACHED();
- result->SetNull();
- return;
- }
-
- RenderViewImpl *render_view_impl = NULL;
- if (!CurrentRenderViewImpl(&render_view_impl)) {
- NOTREACHED();
- result->SetNull();
- return;
- }
-
- StatsCollectionObserver* observer =
- render_view_impl->GetStatsCollectionObserver();
- if (!observer) {
- NOTREACHED();
- result->SetNull();
- return;
- }
-
- std::string tab_timing_json;
- ConvertLoadTimeToJSON(
- observer->load_start_time(), observer->load_stop_time(),
- &tab_timing_json);
- result->Set(tab_timing_json);
-}
-
-} // namespace content