Migrate WTF::HashMap::get() to ::at()

third_party/WebKit/Source/core/inspector/InspectorDOMDebuggerAgent.cpp

Index: third_party/WebKit/Source/core/inspector/InspectorDOMDebuggerAgent.cpp
diff --git a/third_party/WebKit/Source/core/inspector/InspectorDOMDebuggerAgent.cpp b/third_party/WebKit/Source/core/inspector/InspectorDOMDebuggerAgent.cpp
index 98b1a0c62a6f901380a095f838ee1a1eea3f704a..e9db2de21a161abd87c3642c258ab6fe1ea3af15 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorDOMDebuggerAgent.cpp
+++ b/third_party/WebKit/Source/core/inspector/InspectorDOMDebuggerAgent.cpp
@@ -313,7 +313,7 @@ void InspectorDOMDebuggerAgent::didInvalidateStyleAttr(Node* node) {
 void InspectorDOMDebuggerAgent::didInsertDOMNode(Node* node) {
   if (m_domBreakpoints.size()) {
     uint32_t mask =
-        m_domBreakpoints.get(InspectorDOMAgent::innerParentNode(node));
+        m_domBreakpoints.at(InspectorDOMAgent::innerParentNode(node));
     uint32_t inheritableTypesMask =
         (mask | (mask >> domBreakpointDerivedTypeShift)) &
         inheritableDOMBreakpointTypesMask;
@@ -382,7 +382,7 @@ Response InspectorDOMDebuggerAgent::setDOMBreakpoint(int nodeId,
     return response;
 
   uint32_t rootBit = 1 << type;
-  m_domBreakpoints.set(node, m_domBreakpoints.get(node) | rootBit);
+  m_domBreakpoints.set(node, m_domBreakpoints.at(node) | rootBit);
   if (rootBit & inheritableDOMBreakpointTypesMask) {
     for (Node* child = InspectorDOMAgent::innerFirstChild(node); child;
          child = InspectorDOMAgent::innerNextSibling(child))
@@ -406,7 +406,7 @@ Response InspectorDOMDebuggerAgent::removeDOMBreakpoint(
     return response;
 
   uint32_t rootBit = 1 << type;
-  uint32_t mask = m_domBreakpoints.get(node) & ~rootBit;
+  uint32_t mask = m_domBreakpoints.at(node) & ~rootBit;
   if (mask)
     m_domBreakpoints.set(node, mask);
   else
@@ -551,7 +551,7 @@ void InspectorDOMDebuggerAgent::breakProgramOnDOMEvent(Node* target,
     if (!insertion)
       breakpointOwner = InspectorDOMAgent::innerParentNode(target);
     ASSERT(breakpointOwner);
-    while (!(m_domBreakpoints.get(breakpointOwner) & (1 << breakpointType))) {
+    while (!(m_domBreakpoints.at(breakpointOwner) & (1 << breakpointType))) {
       Node* parentNode = InspectorDOMAgent::innerParentNode(breakpointOwner);
       if (!parentNode)
         break;
@@ -578,13 +578,13 @@ bool InspectorDOMDebuggerAgent::hasBreakpoint(Node* node, int type) {
     return false;
   uint32_t rootBit = 1 << type;
   uint32_t derivedBit = rootBit << domBreakpointDerivedTypeShift;
-  return m_domBreakpoints.get(node) & (rootBit | derivedBit);
+  return m_domBreakpoints.at(node) & (rootBit | derivedBit);
 }
 
 void InspectorDOMDebuggerAgent::updateSubtreeBreakpoints(Node* node,
                                                          uint32_t rootMask,
                                                          bool set) {
-  uint32_t oldMask = m_domBreakpoints.get(node);
+  uint32_t oldMask = m_domBreakpoints.at(node);
   uint32_t derivedMask = rootMask << domBreakpointDerivedTypeShift;
   uint32_t newMask = set ? oldMask | derivedMask : oldMask & ~derivedMask;
   if (newMask)