Histograms - Support histograms for Plugins, GPU

chrome/renderer/renderer_histogram_snapshots.cc

Index: chrome/renderer/renderer_histogram_snapshots.cc
===================================================================
--- chrome/renderer/renderer_histogram_snapshots.cc	(revision 140625)
+++ chrome/renderer/renderer_histogram_snapshots.cc	(working copy)
@@ -1,92 +0,0 @@
-// Copyright (c) 2011 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 "chrome/renderer/renderer_histogram_snapshots.h"
-
-#include <ctype.h>
-
-#include "base/bind.h"
-#include "base/logging.h"
-#include "base/message_loop.h"
-#include "base/metrics/histogram.h"
-#include "chrome/common/render_messages.h"
-#include "content/public/renderer/render_thread.h"
-
-// TODO(raman): Before renderer shuts down send final snapshot lists.
-
-using base::Histogram;
-using base::StatisticsRecorder;
-using content::RenderThread;
-
-RendererHistogramSnapshots::RendererHistogramSnapshots()
-    : ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) {
-}
-
-RendererHistogramSnapshots::~RendererHistogramSnapshots() {
-}
-
-// Send data quickly!
-void RendererHistogramSnapshots::SendHistograms(int sequence_number) {
-  RenderThread::Get()->GetMessageLoop()->PostTask(
-      FROM_HERE, base::Bind(&RendererHistogramSnapshots::UploadAllHistrograms,
-                            weak_factory_.GetWeakPtr(), sequence_number));
-}
-
-bool RendererHistogramSnapshots::OnControlMessageReceived(
-    const IPC::Message& message) {
-  bool handled = true;
-  IPC_BEGIN_MESSAGE_MAP(RendererHistogramSnapshots, message)
-    IPC_MESSAGE_HANDLER(ChromeViewMsg_GetRendererHistograms,
-                        OnGetRendererHistograms)
-    IPC_MESSAGE_UNHANDLED(handled = false)
-  IPC_END_MESSAGE_MAP()
-  return handled;
-}
-
-void RendererHistogramSnapshots::OnGetRendererHistograms(int sequence_number) {
-  SendHistograms(sequence_number);
-}
-
-void RendererHistogramSnapshots::UploadAllHistrograms(int sequence_number) {
-  DCHECK_EQ(0u, pickled_histograms_.size());
-
-  StatisticsRecorder::CollectHistogramStats("Renderer");
-
-  // Push snapshots into our pickled_histograms_ vector.
-  TransmitAllHistograms(Histogram::kIPCSerializationSourceFlag, false);
-
-  // Send the sequence number and list of pickled histograms over synchronous
-  // IPC, so we can clear pickled_histograms_ afterwards.
-  RenderThread::Get()->Send(new ChromeViewHostMsg_RendererHistograms(
-      sequence_number, pickled_histograms_));
-
-  pickled_histograms_.clear();
-}
-
-void RendererHistogramSnapshots::TransmitHistogramDelta(
-      const base::Histogram& histogram,
-      const base::Histogram::SampleSet& snapshot) {
-  DCHECK_NE(0, snapshot.TotalCount());
-  snapshot.CheckSize(histogram);
-
-  std::string histogram_info =
-      Histogram::SerializeHistogramInfo(histogram, snapshot);
-  pickled_histograms_.push_back(histogram_info);
-}
-
-void RendererHistogramSnapshots::InconsistencyDetected(int problem) {
-  UMA_HISTOGRAM_ENUMERATION("Histogram.InconsistenciesRenderer",
-                            problem, Histogram::NEVER_EXCEEDED_VALUE);
-}
-
-void RendererHistogramSnapshots::UniqueInconsistencyDetected(int problem) {
-  UMA_HISTOGRAM_ENUMERATION("Histogram.InconsistenciesRendererUnique",
-                            problem, Histogram::NEVER_EXCEEDED_VALUE);
-}
-
-void RendererHistogramSnapshots::SnapshotProblemResolved(int amount) {
-  UMA_HISTOGRAM_COUNTS("Histogram.InconsistentSnapshotRenderer",
-                       std::abs(amount));
-}
-