Remove debugger id, use local frame id instead.

Source/core/inspector/PageRuntimeAgent.cpp

Index: Source/core/inspector/PageRuntimeAgent.cpp
diff --git a/Source/core/inspector/PageRuntimeAgent.cpp b/Source/core/inspector/PageRuntimeAgent.cpp
index eee729f089719f238f3d3695a7733b442b96a6ab..b640ea933a755e8a31636b9e05bd1ddb97a91cd1 100644
--- a/Source/core/inspector/PageRuntimeAgent.cpp
+++ b/Source/core/inspector/PageRuntimeAgent.cpp
@@ -32,7 +32,6 @@
 #include "core/inspector/PageRuntimeAgent.h"
 
 #include "bindings/core/v8/DOMWrapperWorld.h"
-#include "bindings/core/v8/MainThreadDebugger.h"
 #include "bindings/core/v8/ScriptController.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "core/frame/FrameConsole.h"
@@ -47,13 +46,10 @@
 
 namespace blink {
 
-static int s_nextDebuggerId = 1;
-
 PageRuntimeAgent::PageRuntimeAgent(InjectedScriptManager* injectedScriptManager, Client* client, V8Debugger* debugger, InspectorPageAgent* pageAgent)
     : InspectorRuntimeAgent(injectedScriptManager, debugger, client)
     , m_pageAgent(pageAgent)
     , m_mainWorldContextCreated(false)
-    , m_debuggerId(s_nextDebuggerId++)
 {
 }
 
@@ -102,15 +98,10 @@ void PageRuntimeAgent::didClearDocumentOfWindowObject(LocalFrame* frame)
 
 void PageRuntimeAgent::didCreateScriptContext(LocalFrame* frame, ScriptState* scriptState, SecurityOrigin* origin, int worldId)
 {
-    bool isMainWorld = worldId == MainWorldId;
-
-    // Name the context for debugging.
-    String type = isMainWorld ? "page" : "injected";
-    MainThreadDebugger::setContextDebugData(scriptState->context(), type, m_debuggerId);
-
     if (!m_enabled)

[pfeldman, 2015/07/06 12:35:50]

This agent no longer needs to be enabled at all times.

         return;
     ASSERT(frontend());
+    bool isMainWorld = worldId == MainWorldId;
     String originString = origin ? origin->toRawString() : "";
     String frameId = IdentifiersFactory::frameId(frame);
     addExecutionContextToFrontend(scriptState, isMainWorld, originString, frameId);