Add SetImageData api to chrome.clipboard.

extensions/shell/browser/shell_extensions_browser_client.cc

Index: extensions/shell/browser/shell_extensions_browser_client.cc
diff --git a/extensions/shell/browser/shell_extensions_browser_client.cc b/extensions/shell/browser/shell_extensions_browser_client.cc
index e832a947ba26edd863b9b0c34c917b365a41a977..1cdf42fb66fd420d771c68cd3e7c4b824ecc7202 100644
--- a/extensions/shell/browser/shell_extensions_browser_client.cc
+++ b/extensions/shell/browser/shell_extensions_browser_client.cc
@@ -234,6 +234,12 @@ bool ShellExtensionsBrowserClient::IsMinBrowserVersionSupported(
   return true;
 }
 
+void ShellExtensionsBrowserClient::SaveImageDataToClipboard(
+    const std::vector<char>& image_data,
+    const std::string& type,
+    const base::Closure& success_callback,
+    const base::Closure& error_callback) {}
+
 void ShellExtensionsBrowserClient::SetAPIClientForTest(
     ExtensionsAPIClient* api_client) {
   api_client_.reset(api_client);