本文档深入探讨了Chromium加载URL的过程，从`AwContents`开始，经由`ContentViewCore`，到`NavigationController`，再到`RenderFrameHostManager`和`RenderFrameHostImpl`，详细阐述了各个组件在加载URL时的角色和交互。
1.\src\android_webview\java\src\org\chromium\android_webview\AwContents.java
public void loadUrl(LoadUrlParams params) {
...
2.\src\content\public\android\java\src\org\chromium\content\browser\ContentViewCore.java
public void loadUrl(LoadUrlParams params) {
...
3.
void ContentViewCoreImpl::LoadUrl(
void ContentViewCoreImpl::LoadUrl(
NavigationController::LoadURLParams& params) {
...
4./src/content/browser/frame_host/navigation_controller_impl.cc
void NavigationControllerImpl::LoadURL(
void NavigationControllerImpl::LoadURLWithParams(const LoadURLParams& params) {
void NavigationControllerImpl::LoadEntry(NavigationEntryImpl* entry) {
void NavigationControllerImpl::SetPendingEntry(NavigationEntryImpl* entry) {
void NavigationControllerImpl::NavigateToPendingEntry(ReloadType reload_type) {
...
5./src/content/browser/web_contents/web_contents_impl.cc
bool WebContentsImpl::NavigateToPendingEntry(NavigationController::ReloadType reload_type) {
...
6./src/content/browser/frame_host/navigator_impl.cc
bool NavigatorImpl::NavigateToPendingEntry(
RenderFrameHostImpl* render_frame_host,
NavigationController::ReloadType reload_type) {
bool NavigatorImpl::NavigateToEntry(
RenderFrameHostImpl* render_frame_host,
const NavigationEntryImpl& entry,
NavigationController::ReloadType reload_type) {
...
7./src/content/browser/frame_host/render_frame_host_manager.cc
RenderFrameHostImpl* RenderFrameHostManager::Navigate(
const NavigationEntryImpl& entry) {
...
8./src/content/browser/frame_host/render_frame_host_impl.cc
void RenderFrameHostImpl::Navigate(const FrameMsg_Navigate_Params& params) {
...
Send(new FrameMsg_Navigate(routing_id_, params));
...
...
void RenderFrameImpl::OnNavigate(const FrameMsg_Navigate_Params& params) {
...
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