[DevTools] Send source map content from frontend to backend

third_party/WebKit/Source/core/inspector/v8/V8DebuggerAgentImpl.cpp

Index: third_party/WebKit/Source/core/inspector/v8/V8DebuggerAgentImpl.cpp
diff --git a/third_party/WebKit/Source/core/inspector/v8/V8DebuggerAgentImpl.cpp b/third_party/WebKit/Source/core/inspector/v8/V8DebuggerAgentImpl.cpp
index 2f580f5399b709b4dcaaa1bd0e1f2c8337fdbd70..225a84fa0bd19f8651026f8e6ab3cc222f75c1f2 100644
--- a/third_party/WebKit/Source/core/inspector/v8/V8DebuggerAgentImpl.cpp
+++ b/third_party/WebKit/Source/core/inspector/v8/V8DebuggerAgentImpl.cpp
@@ -133,7 +133,7 @@ static PassOwnPtr<SourceMap> parseSourceMapFromDataUrl(const String& url)
     RefPtr<SharedBuffer> data = PassRefPtr<SharedBuffer>(Platform::current()->parseDataURL(sourceMapURL, mimetype, charset));
     if (!data)
         return nullptr;
-    return SourceMap::parse(String(data->data(), data->size()));
+    return SourceMap::parse(String(data->data(), data->size()), String());
 }
 
 PassOwnPtr<V8DebuggerAgent> V8DebuggerAgent::create(InjectedScriptManager* injectedScriptManager, V8Debugger* debugger, int contextGroupId)
@@ -1379,6 +1379,20 @@ void V8DebuggerAgentImpl::removeAsyncOperationBreakpoint(ErrorString* errorStrin
     m_asyncOperationBreakpoints.remove(operationId);
 }
 
+void V8DebuggerAgentImpl::setSourceMapContent(ErrorString*, const String& scriptId, const String& sourceMapURL, const String& content)
+{
+    auto it = m_scripts.find(scriptId);
+    if (it == m_scripts.end())
+        return;
+    if (m_sourceMaps.find(scriptId) != m_sourceMaps.end())
+        return;
+    OwnPtr<SourceMap> sourceMap = SourceMap::parse(content, sourceMapURL);
+    if (sourceMap) {
+        m_sourceMaps.set(scriptId, sourceMap.release());
+        it->value.invalidateBlackboxedState();
+    }
+}
+
 void V8DebuggerAgentImpl::willExecuteScript(int scriptId)
 {
     changeJavaScriptRecursionLevel(+1);