PlzNavigate: Enforce 'frame-src' CSP on the browser.

third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp

Index: third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
diff --git a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
index 7dac8076e47fcb52e1491eda7d1ce06e64c71309..cf0b08611927628b7e6720a8a10e3caac04e4391 100644
--- a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
+++ b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
@@ -511,7 +511,8 @@ NavigationPolicy FrameLoaderClientImpl::decidePolicyForNavigation(
     NavigationPolicy policy,
     bool replacesCurrentHistoryItem,
     bool isClientRedirect,
-    HTMLFormElement* form) {
+    HTMLFormElement* form,
+    ContentSecurityPolicyDisposition shouldBypassMainWorldCSP) {
   if (!m_webFrame->client())
     return NavigationPolicyIgnore;
 
@@ -548,6 +549,8 @@ NavigationPolicy FrameLoaderClientImpl::decidePolicyForNavigation(
   navigationInfo.isHistoryNavigationInNewChildFrame =
       isHistoryNavigationInNewChildFrame;
   navigationInfo.isClientRedirect = isClientRedirect;
+  navigationInfo.shouldBypassMainWorldCSP =
+      shouldBypassMainWorldCSP == DoNotCheckContentSecurityPolicy;
   // Caching could be disabled for requests initiated by DevTools.
   // TODO(ananta)
   // We should extract the network cache state into a global component which