[DevTools] Move v8-related instrumentation from agents to InspectorSession.

third_party/WebKit/Source/platform/v8_inspector/V8InspectorSessionImpl.cpp

 // Copyright 2016 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 "platform/v8_inspector/V8InspectorSessionImpl.h"
 
 #include "platform/v8_inspector/InjectedScript.h"
 #include "platform/v8_inspector/InjectedScriptHost.h"
 #include "platform/v8_inspector/InspectedContext.h"
 #include "platform/v8_inspector/RemoteObjectId.h"
 #include "platform/v8_inspector/V8DebuggerAgentImpl.h"
 #include "platform/v8_inspector/V8DebuggerImpl.h"
 #include "platform/v8_inspector/V8HeapProfilerAgentImpl.h"
 #include "platform/v8_inspector/V8ProfilerAgentImpl.h"
 #include "platform/v8_inspector/V8RuntimeAgentImpl.h"
 #include "platform/v8_inspector/public/V8ContextInfo.h"
 #include "platform/v8_inspector/public/V8DebuggerClient.h"
 
 namespace blink {
 
 PassOwnPtr<V8InspectorSessionImpl> V8InspectorSessionImpl::create(V8DebuggerImpl* debugger, int contextGroupId)
 {
     return adoptPtr(new V8InspectorSessionImpl(debugger, contextGroupId));
 }
 
 V8InspectorSessionImpl::V8InspectorSessionImpl(V8DebuggerImpl* debugger, int contextGroupId)
     : m_contextGroupId(contextGroupId)
     , m_debugger(debugger)
+    , m_client(nullptr)
     , m_injectedScriptHost(InjectedScriptHost::create(debugger, this))
     , m_customObjectFormatterEnabled(false)
+    , m_instrumentationCounter(0)
     , m_runtimeAgent(adoptPtr(new V8RuntimeAgentImpl(this)))
     , m_debuggerAgent(adoptPtr(new V8DebuggerAgentImpl(this)))
     , m_heapProfilerAgent(adoptPtr(new V8HeapProfilerAgentImpl(this)))
     , m_profilerAgent(adoptPtr(new V8ProfilerAgentImpl(this)))
     , m_clearConsoleCallback(nullptr)
 {
 }
 
 V8InspectorSessionImpl::~V8InspectorSessionImpl()
 {
@@ skipping 14 matching lines @@
 V8ProfilerAgent* V8InspectorSessionImpl::profilerAgent()
 {
     return m_profilerAgent.get();
 }
 
 V8RuntimeAgent* V8InspectorSessionImpl::runtimeAgent()
 {
     return m_runtimeAgent.get();
 }
 
+void V8InspectorSessionImpl::setClient(V8InspectorSessionClient* client)
+{
+    m_client = client;
+}
+
 void V8InspectorSessionImpl::reset()
 {
     m_debuggerAgent->reset();
     m_runtimeAgent->reset();
     discardInjectedScripts();
 }
 
 void V8InspectorSessionImpl::discardInjectedScripts()
 {
     m_injectedScriptHost->clearInspectedObjects();
@@ skipping 81 matching lines @@
 
 void V8InspectorSessionImpl::reportAllContexts(V8RuntimeAgentImpl* agent)
 {
     const V8DebuggerImpl::ContextByIdMap* contexts = m_debugger->contextGroup(m_contextGroupId);
     if (!contexts)
         return;
     for (auto& idContext : *contexts)
         agent->reportExecutionContextCreated(idContext.second);
 }
 
+void V8InspectorSessionImpl::changeInstrumentationCounter(int delta)
+{
+    ASSERT(m_instrumentationCounter + delta >= 0);
+    if (!m_instrumentationCounter && m_client)
+        m_client->startInstrumenting();
+    m_instrumentationCounter += delta;
+    if (!m_instrumentationCounter && m_client)
+        m_client->stopInstrumenting();
+}
+
 } // namespace blink