[DevTools] Split a part of V8Inspector into V8Debugger.

third_party/WebKit/Source/platform/v8_inspector/V8DebuggerAgentImpl.cpp

 // Copyright 2015 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/V8DebuggerAgentImpl.h"
 
 #include "platform/inspector_protocol/String16.h"
 #include "platform/inspector_protocol/Values.h"
 #include "platform/v8_inspector/InjectedScript.h"
 #include "platform/v8_inspector/InspectedContext.h"
 #include "platform/v8_inspector/JavaScriptCallFrame.h"
 #include "platform/v8_inspector/RemoteObjectId.h"
 #include "platform/v8_inspector/ScriptBreakpoint.h"
+#include "platform/v8_inspector/V8Debugger.h"
+#include "platform/v8_inspector/V8DebuggerScript.h"
 #include "platform/v8_inspector/V8InspectorImpl.h"
 #include "platform/v8_inspector/V8InspectorSessionImpl.h"
 #include "platform/v8_inspector/V8Regex.h"
 #include "platform/v8_inspector/V8RuntimeAgentImpl.h"
 #include "platform/v8_inspector/V8StackTraceImpl.h"
 #include "platform/v8_inspector/V8StringUtil.h"
 #include "platform/v8_inspector/public/V8InspectorClient.h"
 
 #include <algorithm>
 
@@ skipping 63 matching lines @@
 static std::unique_ptr<protocol::Debugger::Location> buildProtocolLocation(const String16& scriptId, int lineNumber, int columnNumber)
 {
     return protocol::Debugger::Location::create()
         .setScriptId(scriptId)
         .setLineNumber(lineNumber)
         .setColumnNumber(columnNumber).build();
 }
 
 V8DebuggerAgentImpl::V8DebuggerAgentImpl(V8InspectorSessionImpl* session, protocol::FrontendChannel* frontendChannel, protocol::DictionaryValue* state)
     : m_inspector(session->inspector())
+    , m_debugger(m_inspector->debugger())
     , m_session(session)
     , m_enabled(false)
     , m_state(state)
     , m_frontend(frontendChannel)
     , m_isolate(m_inspector->isolate())
     , m_breakReason(protocol::Debugger::Paused::ReasonEnum::Other)
     , m_scheduledDebuggerStep(NoStep)
     , m_skipNextDebuggerStepOut(false)
     , m_javaScriptPauseScheduled(false)
     , m_steppingFromFramework(false)
@@ skipping 17 matching lines @@
     *errorString = "Debugger agent is not enabled";
     return false;
 }
 
 void V8DebuggerAgentImpl::enable()
 {
     // m_inspector->addListener may result in reporting all parsed scripts to
     // the agent so it should already be in enabled state by then.
     m_enabled = true;
     m_state->setBoolean(DebuggerAgentState::debuggerEnabled, true);
-    m_inspector->debuggerAgentEnabled();
+    m_debugger->enable();
 
     std::vector<std::unique_ptr<V8DebuggerScript>> compiledScripts;
-    m_inspector->getCompiledScripts(m_session->contextGroupId(), compiledScripts);
+    m_debugger->getCompiledScripts(m_session->contextGroupId(), compiledScripts);
     for (size_t i = 0; i < compiledScripts.size(); i++)
         didParseSource(std::move(compiledScripts[i]), true);
 
     // FIXME(WK44513): breakpoints activated flag should be synchronized between all front-ends
-    m_inspector->setBreakpointsActivated(true);
+    m_debugger->setBreakpointsActivated(true);
 }
 
 bool V8DebuggerAgentImpl::enabled()
 {
     return m_enabled;
 }
 
 void V8DebuggerAgentImpl::enable(ErrorString* errorString)
 {
     if (enabled())
         return;
 
     if (!m_inspector->client()->canExecuteScripts(m_session->contextGroupId())) {
         *errorString = "Script execution is prohibited";
         return;
     }
 
     enable();
 }
 
 void V8DebuggerAgentImpl::disable(ErrorString*)
 {
     if (!enabled())
         return;
 
     m_state->setObject(DebuggerAgentState::javaScriptBreakpoints, protocol::DictionaryValue::create());
-    m_state->setInteger(DebuggerAgentState::pauseOnExceptionsState, V8InspectorImpl::DontPauseOnExceptions);
+    m_state->setInteger(DebuggerAgentState::pauseOnExceptionsState, V8Debugger::DontPauseOnExceptions);
     m_state->setInteger(DebuggerAgentState::asyncCallStackDepth, 0);
 
     if (!m_pausedContext.IsEmpty())
-        m_inspector->continueProgram();
-    m_inspector->debuggerAgentDisabled();
+        m_debugger->continueProgram();
+    m_debugger->disable();
     m_pausedContext.Reset();
     JavaScriptCallFrames emptyCallFrames;
     m_pausedCallFrames.swap(emptyCallFrames);
     m_scripts.clear();
     m_blackboxedPositions.clear();
     m_breakpointIdToDebuggerBreakpointIds.clear();
-    m_inspector->setAsyncCallStackDepth(this, 0);
+    m_debugger->setAsyncCallStackDepth(this, 0);
     m_continueToLocationBreakpointId = String16();
     clearBreakDetails();
     m_scheduledDebuggerStep = NoStep;
     m_skipNextDebuggerStepOut = false;
     m_javaScriptPauseScheduled = false;
     m_steppingFromFramework = false;
     m_pausingOnNativeEvent = false;
     m_skippedStepFrameCount = 0;
     m_recursionLevelForStepFrame = 0;
     m_skipAllPauses = false;
     m_blackboxPattern = nullptr;
     m_state->remove(DebuggerAgentState::blackboxPattern);
     m_enabled = false;
     m_state->setBoolean(DebuggerAgentState::debuggerEnabled, false);
 }
 
 void V8DebuggerAgentImpl::restore()
 {
     DCHECK(!m_enabled);
     if (!m_state->booleanProperty(DebuggerAgentState::debuggerEnabled, false))
         return;
     if (!m_inspector->client()->canExecuteScripts(m_session->contextGroupId()))
         return;
 
     enable();
     ErrorString error;
 
-    int pauseState = V8InspectorImpl::DontPauseOnExceptions;
+    int pauseState = V8Debugger::DontPauseOnExceptions;
     m_state->getInteger(DebuggerAgentState::pauseOnExceptionsState, &pauseState);
     setPauseOnExceptionsImpl(&error, pauseState);
     DCHECK(error.isEmpty());
 
     m_skipAllPauses = m_state->booleanProperty(DebuggerAgentState::skipAllPauses, false);
 
     int asyncCallStackDepth = 0;
     m_state->getInteger(DebuggerAgentState::asyncCallStackDepth, &asyncCallStackDepth);
-    m_inspector->setAsyncCallStackDepth(this, asyncCallStackDepth);
+    m_debugger->setAsyncCallStackDepth(this, asyncCallStackDepth);
 
     String16 blackboxPattern;
     if (m_state->getString(DebuggerAgentState::blackboxPattern, &blackboxPattern)) {
         if (!setBlackboxPattern(&error, blackboxPattern))
             NOTREACHED();
     }
 }
 
 void V8DebuggerAgentImpl::setBreakpointsActive(ErrorString* errorString, bool active)
 {
     if (!checkEnabled(errorString))
         return;
-    m_inspector->setBreakpointsActivated(active);
+    m_debugger->setBreakpointsActivated(active);
 }
 
 void V8DebuggerAgentImpl::setSkipAllPauses(ErrorString*, bool skipped)
 {
     m_skipAllPauses = skipped;
     m_state->setBoolean(DebuggerAgentState::skipAllPauses, m_skipAllPauses);
 }
 
 static std::unique_ptr<protocol::DictionaryValue> buildObjectForBreakpointCookie(const String16& url, int lineNumber, int columnNumber, const String16& condition, bool isRegex)
 {
@@ skipping 117 matching lines @@
 void V8DebuggerAgentImpl::removeBreakpoint(const String16& breakpointId)
 {
     DCHECK(enabled());
     BreakpointIdToDebuggerBreakpointIdsMap::iterator debuggerBreakpointIdsIterator = m_breakpointIdToDebuggerBreakpointIds.find(breakpointId);
     if (debuggerBreakpointIdsIterator == m_breakpointIdToDebuggerBreakpointIds.end())
         return;
     const std::vector<String16>& ids = debuggerBreakpointIdsIterator->second;
     for (size_t i = 0; i < ids.size(); ++i) {
         const String16& debuggerBreakpointId = ids[i];
 
-        m_inspector->removeBreakpoint(debuggerBreakpointId);
+        m_debugger->removeBreakpoint(debuggerBreakpointId);
         m_serverBreakpoints.erase(debuggerBreakpointId);
     }
     m_breakpointIdToDebuggerBreakpointIds.erase(breakpointId);
 }
 
 void V8DebuggerAgentImpl::continueToLocation(ErrorString* errorString,
     std::unique_ptr<protocol::Debugger::Location> location,
     const protocol::Maybe<bool>& interstateLocationOpt)
 {
     if (!checkEnabled(errorString))
         return;
     if (!m_continueToLocationBreakpointId.isEmpty()) {
-        m_inspector->removeBreakpoint(m_continueToLocationBreakpointId);
+        m_debugger->removeBreakpoint(m_continueToLocationBreakpointId);
         m_continueToLocationBreakpointId = "";
     }
 
     String16 scriptId;
     int lineNumber;
     int columnNumber;
 
     if (!parseLocation(errorString, std::move(location), &scriptId, &lineNumber, &columnNumber))
         return;
 
     ScriptBreakpoint breakpoint(lineNumber, columnNumber, "");
-    m_continueToLocationBreakpointId = m_inspector->setBreakpoint(scriptId, breakpoint, &lineNumber, &columnNumber, interstateLocationOpt.fromMaybe(false));
+    m_continueToLocationBreakpointId = m_debugger->setBreakpoint(scriptId, breakpoint, &lineNumber, &columnNumber, interstateLocationOpt.fromMaybe(false));
     resume(errorString);
 }
 
 void V8DebuggerAgentImpl::getBacktrace(ErrorString* errorString, std::unique_ptr<Array<CallFrame>>* callFrames, Maybe<StackTrace>* asyncStackTrace)
 {
     if (!assertPaused(errorString))
         return;
-    JavaScriptCallFrames frames = m_inspector->currentCallFrames();
+    JavaScriptCallFrames frames = m_debugger->currentCallFrames();
     m_pausedCallFrames.swap(frames);
     *callFrames = currentCallFrames(errorString);
     if (!*callFrames)
         return;
     *asyncStackTrace = currentAsyncStackTrace();
 }
 
 bool V8DebuggerAgentImpl::isCurrentCallStackEmptyOrBlackboxed()
 {
     DCHECK(enabled());
-    JavaScriptCallFrames callFrames = m_inspector->currentCallFrames();
+    JavaScriptCallFrames callFrames = m_debugger->currentCallFrames();
     for (size_t index = 0; index < callFrames.size(); ++index) {
         if (!isCallFrameWithUnknownScriptOrBlackboxed(callFrames[index].get()))
             return false;
     }
     return true;
 }
 
 bool V8DebuggerAgentImpl::isTopPausedCallFrameBlackboxed()
 {
     DCHECK(enabled());
@@ skipping 67 matching lines @@
     CHECK(!breakpointId.isEmpty());
     CHECK(!scriptId.isEmpty());
     ScriptsMap::iterator scriptIterator = m_scripts.find(scriptId);
     if (scriptIterator == m_scripts.end())
         return nullptr;
     if (breakpoint.lineNumber < scriptIterator->second->startLine() || scriptIterator->second->endLine() < breakpoint.lineNumber)
         return nullptr;
 
     int actualLineNumber;
     int actualColumnNumber;
-    String16 debuggerBreakpointId = m_inspector->setBreakpoint(scriptId, breakpoint, &actualLineNumber, &actualColumnNumber, false);
+    String16 debuggerBreakpointId = m_debugger->setBreakpoint(scriptId, breakpoint, &actualLineNumber, &actualColumnNumber, false);
     if (debuggerBreakpointId.isEmpty())
         return nullptr;
 
     m_serverBreakpoints[debuggerBreakpointId] = std::make_pair(breakpointId, source);
     CHECK(!breakpointId.isEmpty());
 
     m_breakpointIdToDebuggerBreakpointIds[breakpointId].push_back(debuggerBreakpointId);
     return buildProtocolLocation(scriptId, actualLineNumber, actualColumnNumber);
 }
 
@@ skipping 22 matching lines @@
     Maybe<protocol::Array<protocol::Debugger::CallFrame>>* newCallFrames,
     Maybe<bool>* stackChanged,
     Maybe<StackTrace>* asyncStackTrace,
     Maybe<protocol::Runtime::ExceptionDetails>* optOutCompileError)
 {
     if (!checkEnabled(errorString))
         return;
 
     v8::HandleScope handles(m_isolate);
     v8::Local<v8::String> newSource = toV8String(m_isolate, newContent);
-    if (!m_inspector->setScriptSource(scriptId, newSource, preview.fromMaybe(false), errorString, optOutCompileError, &m_pausedCallFrames, stackChanged))
+    if (!m_debugger->setScriptSource(scriptId, newSource, preview.fromMaybe(false), errorString, optOutCompileError, &m_pausedCallFrames, stackChanged))
         return;
 
     ScriptsMap::iterator it = m_scripts.find(scriptId);
     if (it != m_scripts.end())
         it->second->setSource(m_isolate, newSource);
 
     std::unique_ptr<Array<CallFrame>> callFrames = currentCallFrames(errorString);
     if (!callFrames)
         return;
     *newCallFrames = std::move(callFrames);
@@ skipping 14 matching lines @@
         *errorString = "Could not find call frame with given id";
         return;
     }
 
     v8::Local<v8::Value> resultValue;
     v8::Local<v8::Boolean> result;
     if (!m_pausedCallFrames[scope.frameOrdinal()]->restart().ToLocal(&resultValue) || scope.tryCatch().HasCaught() || !resultValue->ToBoolean(scope.context()).ToLocal(&result) || !result->Value()) {
         *errorString = "Internal error";
         return;
     }
-    JavaScriptCallFrames frames = m_inspector->currentCallFrames();
+    JavaScriptCallFrames frames = m_debugger->currentCallFrames();
     m_pausedCallFrames.swap(frames);
 
     *newCallFrames = currentCallFrames(errorString);
     if (!*newCallFrames)
         return;
     *asyncStackTrace = currentAsyncStackTrace();
 }
 
 void V8DebuggerAgentImpl::getScriptSource(ErrorString* error, const String16& scriptId, String16* scriptSource)
 {
     if (!checkEnabled(error))
         return;
     ScriptsMap::iterator it = m_scripts.find(scriptId);
     if (it == m_scripts.end()) {
         *error = "No script for id: " + scriptId;
         return;
     }
     v8::HandleScope handles(m_isolate);
     *scriptSource = toProtocolString(it->second->source(m_isolate));
 }
 
 void V8DebuggerAgentImpl::schedulePauseOnNextStatement(const String16& breakReason, std::unique_ptr<protocol::DictionaryValue> data)
 {
-    if (!enabled() || m_scheduledDebuggerStep == StepInto || m_javaScriptPauseScheduled || m_inspector->isPaused() || !m_inspector->breakpointsActivated())
+    if (!enabled() || m_scheduledDebuggerStep == StepInto || m_javaScriptPauseScheduled || m_debugger->isPaused() || !m_debugger->breakpointsActivated())
         return;
     m_breakReason = breakReason;
     m_breakAuxData = std::move(data);
     m_pausingOnNativeEvent = true;
     m_skipNextDebuggerStepOut = false;
-    m_inspector->setPauseOnNextStatement(true);
+    m_debugger->setPauseOnNextStatement(true);
 }
 
 void V8DebuggerAgentImpl::schedulePauseOnNextStatementIfSteppingInto()
 {
     DCHECK(enabled());
-    if (m_scheduledDebuggerStep != StepInto || m_javaScriptPauseScheduled || m_inspector->isPaused())
+    if (m_scheduledDebuggerStep != StepInto || m_javaScriptPauseScheduled || m_debugger->isPaused())
         return;
     clearBreakDetails();
     m_pausingOnNativeEvent = false;
     m_skippedStepFrameCount = 0;
     m_recursionLevelForStepFrame = 0;
-    m_inspector->setPauseOnNextStatement(true);
+    m_debugger->setPauseOnNextStatement(true);
 }
 
 void V8DebuggerAgentImpl::cancelPauseOnNextStatement()
 {
-    if (m_javaScriptPauseScheduled || m_inspector->isPaused())
+    if (m_javaScriptPauseScheduled || m_debugger->isPaused())
         return;
     clearBreakDetails();
     m_pausingOnNativeEvent = false;
-    m_inspector->setPauseOnNextStatement(false);
+    m_debugger->setPauseOnNextStatement(false);
 }
 
 void V8DebuggerAgentImpl::pause(ErrorString* errorString)
 {
     if (!checkEnabled(errorString))
         return;
-    if (m_javaScriptPauseScheduled || m_inspector->isPaused())
+    if (m_javaScriptPauseScheduled || m_debugger->isPaused())
         return;
     clearBreakDetails();
     m_javaScriptPauseScheduled = true;
     m_scheduledDebuggerStep = NoStep;
     m_skippedStepFrameCount = 0;
     m_steppingFromFramework = false;
-    m_inspector->setPauseOnNextStatement(true);
+    m_debugger->setPauseOnNextStatement(true);
 }
 
 void V8DebuggerAgentImpl::resume(ErrorString* errorString)
 {
     if (!assertPaused(errorString))
         return;
     m_scheduledDebuggerStep = NoStep;
     m_steppingFromFramework = false;
     m_session->releaseObjectGroup(backtraceObjectGroup);
-    m_inspector->continueProgram();
+    m_debugger->continueProgram();
 }
 
 void V8DebuggerAgentImpl::stepOver(ErrorString* errorString)
 {
     if (!assertPaused(errorString))
         return;
     // StepOver at function return point should fallback to StepInto.
     JavaScriptCallFrame* frame = !m_pausedCallFrames.empty() ? m_pausedCallFrames[0].get() : nullptr;
     if (frame && frame->isAtReturn()) {
         stepInto(errorString);
         return;
     }
     m_scheduledDebuggerStep = StepOver;
     m_steppingFromFramework = isTopPausedCallFrameBlackboxed();
     m_session->releaseObjectGroup(backtraceObjectGroup);
-    m_inspector->stepOverStatement();
+    m_debugger->stepOverStatement();
 }
 
 void V8DebuggerAgentImpl::stepInto(ErrorString* errorString)
 {
     if (!assertPaused(errorString))
         return;
     m_scheduledDebuggerStep = StepInto;
     m_steppingFromFramework = isTopPausedCallFrameBlackboxed();
     m_session->releaseObjectGroup(backtraceObjectGroup);
-    m_inspector->stepIntoStatement();
+    m_debugger->stepIntoStatement();
 }
 
 void V8DebuggerAgentImpl::stepOut(ErrorString* errorString)
 {
     if (!assertPaused(errorString))
         return;
     m_scheduledDebuggerStep = StepOut;
     m_skipNextDebuggerStepOut = false;
     m_recursionLevelForStepOut = 1;
     m_steppingFromFramework = isTopPausedCallFrameBlackboxed();
     m_session->releaseObjectGroup(backtraceObjectGroup);
-    m_inspector->stepOutOfFunction();
+    m_debugger->stepOutOfFunction();
 }
 
 void V8DebuggerAgentImpl::setPauseOnExceptions(ErrorString* errorString, const String16& stringPauseState)
 {
     if (!checkEnabled(errorString))
         return;
-    V8InspectorImpl::PauseOnExceptionsState pauseState;
+    V8Debugger::PauseOnExceptionsState pauseState;
     if (stringPauseState == "none") {
-        pauseState = V8InspectorImpl::DontPauseOnExceptions;
+        pauseState = V8Debugger::DontPauseOnExceptions;
     } else if (stringPauseState == "all") {
-        pauseState = V8InspectorImpl::PauseOnAllExceptions;
+        pauseState = V8Debugger::PauseOnAllExceptions;
     } else if (stringPauseState == "uncaught") {
-        pauseState = V8InspectorImpl::PauseOnUncaughtExceptions;
+        pauseState = V8Debugger::PauseOnUncaughtExceptions;
     } else {
         *errorString = "Unknown pause on exceptions mode: " + stringPauseState;
         return;
     }
     setPauseOnExceptionsImpl(errorString, pauseState);
 }
 
 void V8DebuggerAgentImpl::setPauseOnExceptionsImpl(ErrorString* errorString, int pauseState)
 {
-    m_inspector->setPauseOnExceptionsState(static_cast<V8InspectorImpl::PauseOnExceptionsState>(pauseState));
-    if (m_inspector->getPauseOnExceptionsState() != pauseState)
+    m_debugger->setPauseOnExceptionsState(static_cast<V8Debugger::PauseOnExceptionsState>(pauseState));
+    if (m_debugger->getPauseOnExceptionsState() != pauseState)
         *errorString = "Internal error. Could not change pause on exceptions state";
     else
         m_state->setInteger(DebuggerAgentState::pauseOnExceptionsState, pauseState);
 }
 
 void V8DebuggerAgentImpl::evaluateOnCallFrame(ErrorString* errorString,
     const String16& callFrameId,
     const String16& expression,
     const Maybe<String16>& objectGroup,
     const Maybe<bool>& includeCommandLineAPI,
@@ skipping 62 matching lines @@
         *errorString = "Internal error";
         return;
     }
 }
 
 void V8DebuggerAgentImpl::setAsyncCallStackDepth(ErrorString* errorString, int depth)
 {
     if (!checkEnabled(errorString))
         return;
     m_state->setInteger(DebuggerAgentState::asyncCallStackDepth, depth);
-    m_inspector->setAsyncCallStackDepth(this, depth);
+    m_debugger->setAsyncCallStackDepth(this, depth);
 }
 
 void V8DebuggerAgentImpl::setBlackboxPatterns(ErrorString* errorString, std::unique_ptr<protocol::Array<String16>> patterns)
 {
     if (!patterns->length()) {
         m_blackboxPattern = nullptr;
         m_state->remove(DebuggerAgentState::blackboxPattern);
         return;
     }
 
@@ skipping 71 matching lines @@
     schedulePauseOnNextStatementIfSteppingInto();
 }
 
 void V8DebuggerAgentImpl::didExecuteScript()
 {
     changeJavaScriptRecursionLevel(-1);
 }
 
 void V8DebuggerAgentImpl::changeJavaScriptRecursionLevel(int step)
 {
-    if (m_javaScriptPauseScheduled && !m_skipAllPauses && !m_inspector->isPaused()) {
+    if (m_javaScriptPauseScheduled && !m_skipAllPauses && !m_debugger->isPaused()) {
         // Do not ever loose user's pause request until we have actually paused.
-        m_inspector->setPauseOnNextStatement(true);
+        m_debugger->setPauseOnNextStatement(true);
     }
     if (m_scheduledDebuggerStep == StepOut) {
         m_recursionLevelForStepOut += step;
         if (!m_recursionLevelForStepOut) {
             // When StepOut crosses a task boundary (i.e. js -> blink_c++) from where it was requested,
             // switch stepping to step into a next JS task, as if we exited to a blackboxed framework.
             m_scheduledDebuggerStep = StepInto;
             m_skipNextDebuggerStepOut = false;
         }
     }
     if (m_recursionLevelForStepFrame) {
         m_recursionLevelForStepFrame += step;
         if (!m_recursionLevelForStepFrame) {
             // We have walked through a blackboxed framework and got back to where we started.
             // If there was no stepping scheduled, we should cancel the stepping explicitly,
             // since there may be a scheduled StepFrame left.
             // Otherwise, if we were stepping in/over, the StepFrame will stop at the right location,
             // whereas if we were stepping out, we should continue doing so after debugger pauses
             // from the old StepFrame.
             m_skippedStepFrameCount = 0;
             if (m_scheduledDebuggerStep == NoStep)
-                m_inspector->clearStepping();
+                m_debugger->clearStepping();
             else if (m_scheduledDebuggerStep == StepOut)
                 m_skipNextDebuggerStepOut = true;
         }
     }
 }
 
 std::unique_ptr<Array<CallFrame>> V8DebuggerAgentImpl::currentCallFrames(ErrorString* errorString)
 {
     if (m_pausedContext.IsEmpty() || !m_pausedCallFrames.size())
         return Array<CallFrame>::create();
@@ skipping 51 matching lines @@
     std::unique_ptr<Array<CallFrame>> callFrames = Array<CallFrame>::parse(toProtocolValue(debuggerContext, objects).get(), &errorSupport);
     if (hasInternalError(errorString, !callFrames))
         return Array<CallFrame>::create();
     return callFrames;
 }
 
 std::unique_ptr<StackTrace> V8DebuggerAgentImpl::currentAsyncStackTrace()
 {
     if (m_pausedContext.IsEmpty())
         return nullptr;
-    V8StackTraceImpl* stackTrace = m_inspector->currentAsyncCallChain();
-    return stackTrace ? stackTrace->buildInspectorObjectForTail(m_inspector) : nullptr;
+    V8StackTraceImpl* stackTrace = m_debugger->currentAsyncCallChain();
+    return stackTrace ? stackTrace->buildInspectorObjectForTail(m_debugger) : nullptr;
 }
 
 void V8DebuggerAgentImpl::didParseSource(std::unique_ptr<V8DebuggerScript> script, bool success)
 {
     v8::HandleScope handles(m_isolate);
     String16 scriptSource = toProtocolString(script->source(m_isolate));
     bool isDeprecatedSourceURL = false;
     if (!success)
         script->setSourceURL(findSourceURL(scriptSource, false, &isDeprecatedSourceURL));
     else if (script->hasSourceURL())
@@ skipping 47 matching lines @@
         breakpointObject->getInteger(DebuggerAgentState::columnNumber, &breakpoint.columnNumber);
         breakpointObject->getString(DebuggerAgentState::condition, &breakpoint.condition);
         std::unique_ptr<protocol::Debugger::Location> location = resolveBreakpoint(cookie.first, scriptId, breakpoint, UserBreakpointSource);
         if (location)
             m_frontend.breakpointResolved(cookie.first, std::move(location));
     }
 }
 
 V8DebuggerAgentImpl::SkipPauseRequest V8DebuggerAgentImpl::didPause(v8::Local<v8::Context> context, v8::Local<v8::Value> exception, const std::vector<String16>& hitBreakpoints, bool isPromiseRejection)
 {
-    JavaScriptCallFrames callFrames = m_inspector->currentCallFrames(1);
+    JavaScriptCallFrames callFrames = m_debugger->currentCallFrames(1);
     JavaScriptCallFrame* topCallFrame = !callFrames.empty() ? callFrames.begin()->get() : nullptr;
 
     // Skip pause in internal scripts (e.g. InjectedScriptSource.js).
     if (topCallFrame) {
         ScriptsMap::iterator it = m_scripts.find(String16::fromInteger(topCallFrame->sourceID()));
         if (it != m_scripts.end() && it->second->isInternalScript())
             return RequestStepFrame;
     }
 
     V8DebuggerAgentImpl::SkipPauseRequest result;
     if (m_skipAllPauses)
         result = RequestContinue;
     else if (!hitBreakpoints.empty())
         result = RequestNoSkip; // Don't skip explicit breakpoints even if set in frameworks.
     else if (!exception.IsEmpty())
         result = shouldSkipExceptionPause(topCallFrame);
     else if (m_scheduledDebuggerStep != NoStep || m_javaScriptPauseScheduled || m_pausingOnNativeEvent)
         result = shouldSkipStepPause(topCallFrame);
     else
         result = RequestNoSkip;
 
     m_skipNextDebuggerStepOut = false;
     if (result != RequestNoSkip)
         return result;
     // Skip pauses inside V8 internal scripts and on syntax errors.
     if (!topCallFrame)
         return RequestContinue;
 
     DCHECK(m_pausedContext.IsEmpty());
-    JavaScriptCallFrames frames = m_inspector->currentCallFrames();
+    JavaScriptCallFrames frames = m_debugger->currentCallFrames();
     m_pausedCallFrames.swap(frames);
     m_pausedContext.Reset(m_isolate, context);
     v8::HandleScope handles(m_isolate);
 
     if (!exception.IsEmpty()) {
         ErrorString ignored;
-        InjectedScript* injectedScript = m_session->findInjectedScript(&ignored, V8InspectorImpl::contextId(context));
+        InjectedScript* injectedScript = m_session->findInjectedScript(&ignored, V8Debugger::contextId(context));
         if (injectedScript) {
             m_breakReason = isPromiseRejection ? protocol::Debugger::Paused::ReasonEnum::PromiseRejection : protocol::Debugger::Paused::ReasonEnum::Exception;
             ErrorString errorString;
             auto obj = injectedScript->wrapObject(&errorString, exception, backtraceObjectGroup);
             m_breakAuxData = obj ? obj->serialize() : nullptr;
             // m_breakAuxData might be null after this.
         }
     }
 
     std::unique_ptr<Array<String16>> hitBreakpointIds = Array<String16>::create();
@@ skipping 13 matching lines @@
     ErrorString errorString;
     m_frontend.paused(currentCallFrames(&errorString), m_breakReason, std::move(m_breakAuxData), std::move(hitBreakpointIds), currentAsyncStackTrace());
     m_scheduledDebuggerStep = NoStep;
     m_javaScriptPauseScheduled = false;
     m_steppingFromFramework = false;
     m_pausingOnNativeEvent = false;
     m_skippedStepFrameCount = 0;
     m_recursionLevelForStepFrame = 0;
 
     if (!m_continueToLocationBreakpointId.isEmpty()) {
-        m_inspector->removeBreakpoint(m_continueToLocationBreakpointId);
+        m_debugger->removeBreakpoint(m_continueToLocationBreakpointId);
         m_continueToLocationBreakpointId = "";
     }
     return result;
 }
 
 void V8DebuggerAgentImpl::didContinue()
 {
     m_pausedContext.Reset();
     JavaScriptCallFrames emptyCallFrames;
     m_pausedCallFrames.swap(emptyCallFrames);
     clearBreakDetails();
     m_frontend.resumed();
 }
 
 void V8DebuggerAgentImpl::breakProgram(const String16& breakReason, std::unique_ptr<protocol::DictionaryValue> data)
 {
-    if (!enabled() || m_skipAllPauses || !m_pausedContext.IsEmpty() || isCurrentCallStackEmptyOrBlackboxed() || !m_inspector->breakpointsActivated())
+    if (!enabled() || m_skipAllPauses || !m_pausedContext.IsEmpty() || isCurrentCallStackEmptyOrBlackboxed() || !m_debugger->breakpointsActivated())
         return;
     m_breakReason = breakReason;
     m_breakAuxData = std::move(data);
     m_scheduledDebuggerStep = NoStep;
     m_steppingFromFramework = false;
     m_pausingOnNativeEvent = false;
-    m_inspector->breakProgram();
+    m_debugger->breakProgram();
 }
 
 void V8DebuggerAgentImpl::breakProgramOnException(const String16& breakReason, std::unique_ptr<protocol::DictionaryValue> data)
 {
-    if (!enabled() || m_inspector->getPauseOnExceptionsState() == V8InspectorImpl::DontPauseOnExceptions)
+    if (!enabled() || m_debugger->getPauseOnExceptionsState() == V8Debugger::DontPauseOnExceptions)
         return;
     breakProgram(breakReason, std::move(data));
 }
 
 bool V8DebuggerAgentImpl::assertPaused(ErrorString* errorString)
 {
     if (m_pausedContext.IsEmpty()) {
         *errorString = "Can only perform operation while paused.";
         return false;
     }
@@ skipping 22 matching lines @@
 {
     if (!enabled())
         return;
     m_scheduledDebuggerStep = NoStep;
     m_scripts.clear();
     m_blackboxedPositions.clear();
     m_breakpointIdToDebuggerBreakpointIds.clear();
 }
 
 } // namespace blink