Reland of DevTools: Select max resource size in NetworkResourcesData depending on device capabilities.

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

Index: third_party/WebKit/Source/core/inspector/InspectorResourceAgent.cpp
diff --git a/third_party/WebKit/Source/core/inspector/InspectorResourceAgent.cpp b/third_party/WebKit/Source/core/inspector/InspectorResourceAgent.cpp
index e5e64e6934c590a08b5062ed940cb67954766ad9..bf2cc3575ed7460bbdb9c7fd61005d1f81799c2a 100644
--- a/third_party/WebKit/Source/core/inspector/InspectorResourceAgent.cpp
+++ b/third_party/WebKit/Source/core/inspector/InspectorResourceAgent.cpp
@@ -86,6 +86,16 @@
 static const char userAgentOverride[] = "userAgentOverride";
 static const char monitoringXHR[] = "monitoringXHR";
 static const char blockedURLs[] = "blockedURLs";
+static const char totalBufferSize[] = "totalBufferSize";
+static const char resourceBufferSize[] = "resourceBufferSize";
+}
+
+namespace {
+// 100MB
+static size_t maximumTotalBufferSize = 100 * 1000 * 1000;
+
+// 10MB
+static size_t maximumResourceBufferSize = 10 * 1000 * 1000;
 }
 
 namespace {
@@ -247,8 +257,11 @@
 
 void InspectorResourceAgent::restore()
 {
-    if (m_state->booleanProperty(ResourceAgentState::resourceAgentEnabled, false))
-        enable();
+    if (m_state->booleanProperty(ResourceAgentState::resourceAgentEnabled, false)) {
+        enable(
+            m_state->numberProperty(ResourceAgentState::totalBufferSize, maximumTotalBufferSize),
+            m_state->numberProperty(ResourceAgentState::resourceBufferSize, maximumResourceBufferSize));
+    }
 }
 
 static PassOwnPtr<protocol::Network::ResourceTiming> buildObjectForTiming(const ResourceLoadTiming& timing)
@@ -870,16 +883,19 @@
     frontend()->webSocketFrameError(IdentifiersFactory::requestId(identifier), monotonicallyIncreasingTime(), errorMessage);
 }
 
-void InspectorResourceAgent::enable(ErrorString*)
-{
-    enable();
-}
-
-void InspectorResourceAgent::enable()
+void InspectorResourceAgent::enable(ErrorString*, const Maybe<int>& totalBufferSize, const Maybe<int>& resourceBufferSize)
+{
+    enable(totalBufferSize.fromMaybe(maximumTotalBufferSize), resourceBufferSize.fromMaybe(maximumResourceBufferSize));
+}
+
+void InspectorResourceAgent::enable(int totalBufferSize, int resourceBufferSize)
 {
     if (!frontend())
         return;
+    m_resourcesData->setResourcesDataSizeLimits(totalBufferSize, resourceBufferSize);
     m_state->setBoolean(ResourceAgentState::resourceAgentEnabled, true);
+    m_state->setNumber(ResourceAgentState::totalBufferSize, totalBufferSize);
+    m_state->setNumber(ResourceAgentState::resourceBufferSize, resourceBufferSize);
     m_instrumentingAgents->setInspectorResourceAgent(this);
 }
 
@@ -1105,7 +1121,7 @@
 InspectorResourceAgent::InspectorResourceAgent(InspectedFrames* inspectedFrames)
     : InspectorBaseAgent<InspectorResourceAgent, protocol::Frontend::Network>("Network")
     , m_inspectedFrames(inspectedFrames)
-    , m_resourcesData(NetworkResourcesData::create())
+    , m_resourcesData(NetworkResourcesData::create(maximumTotalBufferSize, maximumResourceBufferSize))
     , m_pendingRequest(nullptr)
     , m_isRecalculatingStyle(false)
     , m_removeFinishedReplayXHRTimer(this, &InspectorResourceAgent::removeFinishedReplayXHRFired)