Update callsites of phutil_json_decode.

Summary: Depends on D9634. `phutil_json_decode` now throws an exception on invalid JSON.

Test Plan: `arc unit`

Reviewers: epriestley, #blessed_reviewers

Reviewed By: epriestley, #blessed_reviewers

Subscribers: epriestley, Korvin

Differential Revision: https://secure.phabricator.com/D9640

src/applications/config/custom/PhabricatorConfigJSONOptionType.php

@@ -13,20 +13,13 @@ abstract class PhabricatorConfigJSONOptionType
     $display_value = $request->getStr('value');
 
     if (strlen($display_value)) {
-      $storage_value = phutil_json_decode($display_value);
-      if ($storage_value === null) {
-        $e_value = pht('Invalid');
-        $errors[] = pht(
-          'Configuration value should be specified in JSON. The provided '.
-          'value is not valid JSON.');
-      } else {
       try {
+        $storage_value = phutil_json_decode($display_value);
         $this->validateOption($option, $storage_value);
       } catch (Exception $ex) {
         $e_value = pht('Invalid');
         $errors[] = $ex->getMessage();
       }
-      }
     } else {
       $storage_value = null;
     }

src/applications/dashboard/paneltype/PhabricatorDashboardPanelTypeTabs.php

@@ -38,10 +38,7 @@ final class PhabricatorDashboardPanelTypeTabs
     $config = $panel->getProperty('config');
     if (!is_array($config)) {
       // NOTE: The older version of this panel stored raw JSON.
-      $config = phutil_json_decode($config, null);
+      $config = phutil_json_decode($config);
-      if ($config === null) {
-        throw new Exception(pht('The configuration is not valid JSON.'));
-      }
     }
 
     $list = id(new PHUIListView())

src/applications/differential/customfield/DifferentialAuditorsField.php

@@ -20,7 +20,11 @@ final class DifferentialAuditorsField
   }
 
   public function setValueFromStorage($value) {
+    try {
       $this->setValue(phutil_json_decode($value));
+    } catch (PhutilJSONParserException $ex) {
+      $this->setValue(array());
+    }
     return $this;
   }
 

src/applications/differential/customfield/DifferentialJIRAIssuesField.php

@@ -26,7 +26,11 @@ final class DifferentialJIRAIssuesField
   }
 
   public function setValueFromStorage($value) {
+    try {
       $this->setValue(phutil_json_decode($value));
+    } catch (PhutilJSONParserException $ex) {
+      $this->setValue(array());
+    }
     return $this;
   }
 

src/applications/differential/parser/__tests__/DifferentialCommitMessageParserTestCase.php

@@ -23,16 +23,9 @@ final class DifferentialCommitMessageParserTestCase
       }
 
       list($message, $fields, $output, $errors) = $parts;
-      $fields = phutil_json_decode($fields, null);
+      $fields = phutil_json_decode($fields);
-      $output = phutil_json_decode($output, null);
+      $output = phutil_json_decode($output);
-      $errors = phutil_json_decode($errors, null);
+      $errors = phutil_json_decode($errors);
-
-      if ($fields === null || $output === null || $errors === null) {
-        throw new Exception(
-          pht(
-            'Expected test file "%s" to contain valid JSON in its sections.',
-            $file));
-      }
 
       $parser = id(new DifferentialCommitMessageParser())
         ->setLabelMap($fields)