[DevTools] Removed wasThrown from evaluate-like protocol methods

third_party/WebKit/LayoutTests/inspector-protocol/runtime/runtime-runScript-async-expected.txt

 CONSOLE ERROR: Uncaught (in promise) #<Object>
 Tests that Runtime.compileScript and Runtime.runScript work with awaitPromise flag.
 
 Running test: testRunAndCompileWithoutAgentEnable
 {
     code : 0
     message : Runtime agent is not enabled
 }
 {
     code : 0
@@ skipping 29 matching lines @@
         }
         text : Uncaught SyntaxError: Unexpected token }
     }
     result : {
         className : SyntaxError
         description : SyntaxError: Unexpected token }     at boo.js:2:2
         objectId : [ObjectId]
         subtype : error
         type : object
     }
-    wasThrown : true
 }
 
 Running test: testRunNotCompiledScript
 {
     code : 0
     message : No script with given id
 }
 
 Running test: testRunCompiledScriptAfterAgentWasReenabled
 {
@@ skipping 18 matching lines @@
                 [0] : {
                     name : a
                     type : number
                     value : 1
                 }
             ]
             type : object
         }
         type : object
     }
-    wasThrown : false
 }
 
 Running test: testRunScriptReturnByValue
 {
     result : {
         type : object
         value : {
             a : 1
         }
     }
-    wasThrown : false
 }
 
 Running test: testAwaitNotPromise
 {
     code : 0
     message : Result of the script execution is not a promise
 }
 
 Running test: testAwaitResolvedPromise
 {
@@ skipping 16 matching lines @@
             ]
         }
         text : Promise was rejected
     }
     result : {
         type : object
         value : {
             a : 1
         }
     }
-    wasThrown : true
 }