Adds error handling support for the SwReporter launcher.

chrome/browser/safe_browsing/srt_chrome_prompt_impl.h

Index: chrome/browser/safe_browsing/srt_chrome_prompt_impl.h
diff --git a/chrome/browser/safe_browsing/srt_chrome_prompt_impl.h b/chrome/browser/safe_browsing/srt_chrome_prompt_impl.h
index bf14b30ff80655a3d21a277e5e7072eeae42b919..3d8197d5af0db9646136686b220f7c96b6730721 100644
--- a/chrome/browser/safe_browsing/srt_chrome_prompt_impl.h
+++ b/chrome/browser/safe_browsing/srt_chrome_prompt_impl.h
@@ -5,6 +5,7 @@
 #ifndef CHROME_BROWSER_SAFE_BROWSING_SRT_CHROME_PROMPT_IMPL_H_
 #define CHROME_BROWSER_SAFE_BROWSING_SRT_CHROME_PROMPT_IMPL_H_
 
+#include "base/macros.h"
 #include "components/chrome_cleaner/public/interfaces/chrome_prompt.mojom.h"
 #include "mojo/public/cpp/bindings/binding.h"
 
@@ -22,8 +23,18 @@ class ChromePromptImpl : public chrome_cleaner::mojom::ChromePrompt {
       const chrome_cleaner::mojom::ChromePrompt::PromptUserCallback& callback)
       override;
 
+  // Handles the case when the remote end has been closed, by performing the
+  // necessary cleanups if the prompt dialog is being shown to the user.
+  virtual void OnConnectionClosed();
+
+  // Handles the case when a mojo::ReportBadMessage has been explicitly
+  // reported.
+  virtual void OnConnectionError(const std::string& message);
+
  private:
   mojo::Binding<chrome_cleaner::mojom::ChromePrompt> binding_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromePromptImpl);
 };
 
 }  // namespace safe_browsing