DevTools: nits: introduce a handy asBool(bool*) and use across agents.

Source/core/inspector/InspectorPageAgent.cpp

Index: Source/core/inspector/InspectorPageAgent.cpp
diff --git a/Source/core/inspector/InspectorPageAgent.cpp b/Source/core/inspector/InspectorPageAgent.cpp
index 1f63779e44b8b524bb16c2c5ed5bc53288d02b72..eb3a7dc6e39b64af6dde48a2d4e08a11001c43f9 100644
--- a/Source/core/inspector/InspectorPageAgent.cpp
+++ b/Source/core/inspector/InspectorPageAgent.cpp
@@ -544,7 +544,7 @@ void InspectorPageAgent::reload(ErrorString*, const bool* const optionalIgnoreCa
 {
     m_pendingScriptToEvaluateOnLoadOnce = optionalScriptToEvaluateOnLoad ? *optionalScriptToEvaluateOnLoad : "";
     m_pendingScriptPreprocessor = optionalScriptPreprocessor ? *optionalScriptPreprocessor : "";
-    m_page->deprecatedLocalMainFrame()->loader().reload(optionalIgnoreCache && *optionalIgnoreCache ? EndToEndReload : NormalReload);
+    m_page->deprecatedLocalMainFrame()->loader().reload(asBool(optionalIgnoreCache) ? EndToEndReload : NormalReload);
 }
 
 void InspectorPageAgent::navigate(ErrorString*, const String& url, String* outFrameId)
@@ -739,9 +739,6 @@ void InspectorPageAgent::searchInResource(ErrorString*, const String& frameId, c
 {
     results = TypeBuilder::Array<TypeBuilder::Page::SearchMatch>::create();
 
-    bool isRegex = optionalIsRegex ? *optionalIsRegex : false;
-    bool caseSensitive = optionalCaseSensitive ? *optionalCaseSensitive : false;
-
     LocalFrame* frame = frameForId(frameId);
     KURL kurl(ParsedURLString, url);
 
@@ -759,7 +756,7 @@ void InspectorPageAgent::searchInResource(ErrorString*, const String& frameId, c
     if (!success)
         return;
 
-    results = ContentSearchUtils::searchInTextByLines(content, query, caseSensitive, isRegex);
+    results = ContentSearchUtils::searchInTextByLines(content, query, asBool(optionalCaseSensitive), asBool(optionalIsRegex));
 }
 
 void InspectorPageAgent::setDocumentContent(ErrorString* errorString, const String& frameId, const String& html)
@@ -1405,7 +1402,7 @@ bool InspectorPageAgent::compositingEnabled(ErrorString* errorString)
 void InspectorPageAgent::setShowViewportSizeOnResize(ErrorString*, bool show, const bool* showGrid)
 {
     m_state->setBoolean(PageAgentState::showSizeOnResize, show);
-    m_state->setBoolean(PageAgentState::showGridOnResize, showGrid && *showGrid);
+    m_state->setBoolean(PageAgentState::showGridOnResize, asBool(showGrid));
 }
 
 void InspectorPageAgent::clearEditedResourcesContent()