[instrumentation] Introduce InspectorTraceEvents agent

third_party/WebKit/Source/web/WebDevToolsAgentImpl.cpp

 /*
  * Copyright (C) 2010-2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 12 matching lines @@
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "web/WebDevToolsAgentImpl.h"
 
+#include <v8-inspector.h>
+#include <memory>
+
 #include "bindings/core/v8/ScriptController.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "core/InstrumentingAgents.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/inspector/InspectedFrames.h"
 #include "core/inspector/InspectorAnimationAgent.h"
 #include "core/inspector/InspectorApplicationCacheAgent.h"
@@ skipping 39 matching lines @@
 #include "web/InspectorRenderingAgent.h"
 #include "web/WebFrameWidgetImpl.h"
 #include "web/WebInputEventConversion.h"
 #include "web/WebLocalFrameImpl.h"
 #include "web/WebSettingsImpl.h"
 #include "web/WebViewImpl.h"
 #include "wtf/MathExtras.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/PtrUtil.h"
 #include "wtf/text/WTFString.h"
-#include <memory>
-#include <v8-inspector.h>
 
 namespace blink {
 
 namespace {
 
 bool isMainFrame(WebLocalFrameImpl* frame) {
   // TODO(dgozman): sometimes view->mainFrameImpl() does return null, even
   // though |frame| is meant to be main frame.  See http://crbug.com/526162.
   return frame->viewImpl() && !frame->parent();
 }
@@ skipping 158 matching lines @@
       m_resourceContentLoader(
           InspectorResourceContentLoader::create(m_webLocalFrameImpl->frame())),
       m_overlay(overlay),
       m_inspectedFrames(InspectedFrames::create(m_webLocalFrameImpl->frame())),
       m_resourceContainer(new InspectorResourceContainer(m_inspectedFrames)),
       m_domAgent(nullptr),
       m_pageAgent(nullptr),
       m_networkAgent(nullptr),
       m_layerTreeAgent(nullptr),
       m_tracingAgent(nullptr),
+      m_traceEventsAgent(new InspectorTraceEvents()),
       m_includeViewAgents(includeViewAgents),
       m_layerTreeId(0) {
   DCHECK(isMainThread());
   DCHECK(m_webLocalFrameImpl->frame());
+  m_instrumentingAgents->addInspectorTraceEvents(m_traceEventsAgent);
 }
 
 WebDevToolsAgentImpl::~WebDevToolsAgentImpl() {
   DCHECK(!m_client);
 }
 
 DEFINE_TRACE(WebDevToolsAgentImpl) {
   visitor->trace(m_webLocalFrameImpl);
   visitor->trace(m_instrumentingAgents);
   visitor->trace(m_resourceContentLoader);
   visitor->trace(m_overlay);
   visitor->trace(m_inspectedFrames);
   visitor->trace(m_resourceContainer);
   visitor->trace(m_domAgent);
   visitor->trace(m_pageAgent);
   visitor->trace(m_networkAgent);
   visitor->trace(m_layerTreeAgent);
   visitor->trace(m_tracingAgent);
+  visitor->trace(m_traceEventsAgent);
   visitor->trace(m_session);
 }
 
 void WebDevToolsAgentImpl::willBeDestroyed() {
   DCHECK(m_webLocalFrameImpl->frame());
   DCHECK(m_inspectedFrames->root()->view());
+  m_instrumentingAgents->removeInspectorTraceEvents(m_traceEventsAgent);
+  m_traceEventsAgent = nullptr;
   detach();
   m_resourceContentLoader->dispose();
   m_client = nullptr;
 }
 
 void WebDevToolsAgentImpl::initializeSession(int sessionId,
                                              const String& hostId,
                                              String* state) {
   DCHECK(m_client);
   ClientMessageLoopAdapter::ensureMainThreadDebuggerCreated(m_client);
@@ skipping 336 matching lines @@
 }
 
 bool WebDevToolsAgent::shouldInterruptForMethod(const WebString& method) {
   return method == "Debugger.pause" || method == "Debugger.setBreakpoint" ||
          method == "Debugger.setBreakpointByUrl" ||
          method == "Debugger.removeBreakpoint" ||
          method == "Debugger.setBreakpointsActive";
 }
 
 }  // namespace blink