Moving capture_web_contents_function to extensions.

extensions/browser/extension_function.h

 // Copyright 2013 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.
 
 #ifndef EXTENSIONS_BROWSER_EXTENSION_FUNCTION_H_
 #define EXTENSIONS_BROWSER_EXTENSION_FUNCTION_H_
 
 #include <list>
 #include <string>
 
@@ skipping 35 matching lines @@
 }
 
 namespace IPC {
 class Sender;
 }
 
 #ifdef NDEBUG
 #define EXTENSION_FUNCTION_VALIDATE(test) \
   do {                                    \
     if (!(test)) {                        \
-      bad_message_ = true;                \
+      this->bad_message_ = true;          \

[Ken Rockot(use gerrit already), 2014/09/02 21:16:21]

nit: Is this really necessary?

       return ValidationFailure(this);     \
     }                                     \
   } while (0)
 #else   // NDEBUG
 #define EXTENSION_FUNCTION_VALIDATE(test) CHECK(test)
 #endif  // NDEBUG
 
 #define EXTENSION_FUNCTION_ERROR(error) \
   do {                                  \
     error_ = error;                     \
-    bad_message_ = true;                \
+    this->bad_message_ = true;          \
     return ValidationFailure(this);     \
   } while (0)
 
 // Declares a callable extension function with the given |name|. You must also
 // supply a unique |histogramvalue| used for histograms of extension function
 // invocation (add new ones at the end of the enum in
 // extension_function_histogram_value.h).
 #define DECLARE_EXTENSION_FUNCTION(name, histogramvalue) \
   public: static const char* function_name() { return name; } \
   public: static extensions::functions::HistogramValue histogram_value() \
@@ skipping 528 matching lines @@
   virtual bool RunSync() = 0;
 
   // ValidationFailure override to match RunSync().
   static bool ValidationFailure(SyncIOThreadExtensionFunction* function);
 
  private:
   virtual ResponseAction Run() OVERRIDE;
 };
 
 #endif  // EXTENSIONS_BROWSER_EXTENSION_FUNCTION_H_