DevTools: remove Canvas profiler from DevTools source base. See details in the bug.

Source/core/inspector/InspectorInstrumentationCustomInl.h

 /*
 * Copyright (C) 2013 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 23 matching lines @@
 #include "bindings/core/v8/ScriptSourceCode.h"
 
 namespace blink {
 
 namespace InspectorInstrumentation {
 
 bool isDebuggerPausedImpl(InstrumentingAgents*);
 bool collectingHTMLParseErrorsImpl(InstrumentingAgents*);
 void appendAsyncCallStack(ExecutionContext*, ScriptCallStack*);
 
-bool canvasAgentEnabled(ExecutionContext*);
 bool consoleAgentEnabled(ExecutionContext*);
 
 inline bool isDebuggerPaused(LocalFrame* frame)
 {
     FAST_RETURN_IF_NO_FRONTENDS(false);
     if (InstrumentingAgents* instrumentingAgents = instrumentingAgentsFor(frame))
         return isDebuggerPausedImpl(instrumentingAgents);
     return false;
 }
 
 inline bool collectingHTMLParseErrors(Document* document)
 {
     FAST_RETURN_IF_NO_FRONTENDS(false);
     if (InstrumentingAgents* instrumentingAgents = instrumentingAgentsFor(document))
         return collectingHTMLParseErrorsImpl(instrumentingAgents);
     return false;
 }
 
 } // namespace InspectorInstrumentation
 
 } // namespace blink
 
 #endif // InspectorInstrumentationCustom_inl_h